Vocabulary Mastery | Build the Vocabulary of Thinking — Words for Comparison, Evidence, Cause, Uncertainty and Evaluation

The thinking vocabulary on this page now has specialist precision owners for several recurring reasoning moves: Causal Strength for cause versus association, Reporting and Attribution for faithful source language, and Definition and Classification for meaning, reference, composition and category membership.

Vocabulary mastery is also mastery of the words that organise thought. Critical thinking vocabulary, academic vocabulary, reasoning words and academic command words such as analyse, compare, contrast, infer, explain, justify and evaluate tell learners what intellectual operation to perform. Words such as evidence, assumption, factor, consequence, perspective, relevant, sufficient, plausible and significant let them name relationships that vague language hides.

Students searching for academic vocabulary words, critical-thinking words, reasoning vocabulary, command words, words for evidence, cause and effect vocabulary, comparison words, evaluation vocabulary or vocabulary for essays and comprehension need more than definitions. They need to know the mental job behind each word. Describe is not explain. Compare is not two separate descriptions. Infer is not guess. Justify is not repeat. Evaluate is not merely give an opinion. Precise vocabulary improves thinking because it makes the required relationship explicit.

This Vocabulary Mastery owner begins at The Mastery Club vocabulary hub and develops the reasoning-language branch of the complete Vocabulary Mastery system. It does not replace stage-specific owners such as PSLE Thinking Vocabulary or SEC G2 Academic Vocabulary. Its job is the world-facing synthesis: show learners, parents and teachers how words for observation, classification, comparison, cause, evidence, inference, uncertainty, evaluation and synthesis operate across English, mathematics, science, humanities, university study, work and everyday decision-making.

The 50-Second Vocabulary of Thinking Router

I answer the topic but not the command: start with the command-word system. I make claims without evidence: use claims, evidence and support. I confuse cause with sequence: use the cause-and-condition system. I overstate certainty: use uncertainty and qualification. I list details without analysing: use analysis and structure. I give opinions without criteria: use evaluation. I cannot connect ideas across subjects: use transfer. I want a complete word laboratory: use the 64-word reasoning lexicon below.

Central proposition: thinking vocabulary is not decoration added after reasoning. It is part of the operating system of reasoning because words tell us what relation we are claiming, what evidence we possess, how certain we are and what intellectual action a task requires.

Thinking vocabulary names intellectual operations

Academic verbs are instructions for cognition. Identify asks for recognition or naming. Describe asks for features. Explain asks for relationships or mechanisms. Analyse asks for parts and relationships. Evaluate asks for judgment against evidence or criteria. A learner who treats these as interchangeable can know the subject content and still perform the wrong task.

Teach the operation with a miniature task. A learner should be able to perform the reasoning in ordinary language before the technical label becomes a requirement. Then connect the label to a reusable structure so it can guide future reading, writing and discussion.

Reasoning nouns name the structure behind the answer

Words such as claim, evidence, assumption, factor, consequence, criterion, perspective and limitation let learners talk about how knowledge is organised. They make invisible relations visible. Without them, feedback collapses into vague comments such as ‘add more detail’ or ‘think harder’.

Teach the operation with a miniature task. A learner should be able to perform the reasoning in ordinary language before the technical label becomes a requirement. Then connect the label to a reusable structure so it can guide future reading, writing and discussion.

Qualification prevents strong vocabulary from making weak reasoning sound certain

May, might, suggests, plausible, tentative, likely, sufficient, consistent with and uncertain control how far a claim extends. Strong academic language is not language that sounds absolutely confident. It is language that calibrates confidence to the available support.

Teach the operation with a miniature task. A learner should be able to perform the reasoning in ordinary language before the technical label becomes a requirement. Then connect the label to a reusable structure so it can guide future reading, writing and discussion.

Comparison vocabulary protects distinctions

Compare, contrast, distinguish, similar, equivalent, analogous and different do not perform the same task. Reasoning improves when learners can state whether two things share a property, differ on a criterion, perform the same function, or merely look alike.

Teach the operation with a miniature task. A learner should be able to perform the reasoning in ordinary language before the technical label becomes a requirement. Then connect the label to a reusable structure so it can guide future reading, writing and discussion.

Cause vocabulary must not manufacture causation

Cause, contribute, influence, result, consequence, condition, correlate, coincide and trigger make different claims. A sequence of events does not by itself establish causation. Vocabulary can strengthen reasoning only when the relation it names is actually supported.

Teach the operation with a miniature task. A learner should be able to perform the reasoning in ordinary language before the technical label becomes a requirement. Then connect the label to a reusable structure so it can guide future reading, writing and discussion.

Evaluation vocabulary turns preference into judgment

Evaluate, assess, criterion, effective, appropriate, valid, reliable, relevant and sufficient require a basis for judgment. Saying ‘I like this method’ reports preference; evaluating it asks how well it meets a purpose or standard.

Teach the operation with a miniature task. A learner should be able to perform the reasoning in ordinary language before the technical label becomes a requirement. Then connect the label to a reusable structure so it can guide future reading, writing and discussion.

Thinking vocabulary is cross-curricular but not identical everywhere

Words such as evidence, model, significant, proof, constant, factor and function cross subjects, yet disciplines can narrow or formalise their meanings. Transfer requires comparison, not assumption. A mathematical proof and everyday proof do not necessarily operate under identical standards.

Teach the operation with a miniature task. A learner should be able to perform the reasoning in ordinary language before the technical label becomes a requirement. Then connect the label to a reusable structure so it can guide future reading, writing and discussion.

The goal is usable reasoning, not vocabulary display

A paragraph containing analyse, significant, evidence and therefore can still be logically weak. Learners should first explain the relationship in plain language, then choose terminology that makes it more precise. The word serves the thought.

Teach the operation with a miniature task. A learner should be able to perform the reasoning in ordinary language before the technical label becomes a requirement. Then connect the label to a reusable structure so it can guide future reading, writing and discussion.

The Nine Reasoning Moves

1. Observe

State what can be seen, measured, heard, read or otherwise recorded before adding interpretation. Vocabulary includes observe, record, identify, note, detect and describe.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

2. Classify

Group or separate items using a stated feature or rule. Vocabulary includes category, criterion, classify, distinguish, type and property.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

3. Compare

Examine similarities, differences, equivalence or analogy according to a relevant dimension. Vocabulary includes compare, contrast, similar, different, equivalent and analogous.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

4. Connect causes and conditions

State what produces, contributes to, enables, restricts or depends on what. Vocabulary includes cause, factor, condition, consequence, contribute, facilitate and constrain.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

5. Infer

Move from evidence to a conclusion while preserving uncertainty. Vocabulary includes infer, imply, suggest, indicate, support, plausible and assumption.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

6. Explain

Make a mechanism, relationship or reason understandable. Vocabulary includes explain, account for, clarify, mechanism, process and sequence.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

7. Analyse

Break a complex whole into meaningful parts, structures and relationships. Vocabulary includes analyse, component, pattern, structure, interaction and function.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

8. Evaluate

Judge quality, credibility, effectiveness or appropriateness against evidence or criteria. Vocabulary includes evaluate, assess, valid, reliable, relevant, sufficient and criterion.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

9. Synthesize

Combine information or perspectives into a coherent larger understanding. Vocabulary includes synthesize, integrate, reconcile, consolidate, formulate and conclude.

A useful teaching routine is to name the move, perform it on a small example, contrast it with a neighbouring move and then remove the label in a new task. The learner should eventually select the reasoning operation independently.

Command Words: what the question is asking you to do

Identify

Name or locate the requested item accurately. Do not add an explanation unless the task asks for one.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Describe

State relevant features, qualities, stages or observations. Description can be detailed without explaining why the pattern occurs.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Explain

Connect reasons, causes, mechanisms or relationships so the reader understands why or how.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Compare

Examine relevant similarities and, depending on context, differences. Do not write two unrelated mini-descriptions.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Contrast

Foreground relevant differences according to a common basis of comparison.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Analyse

Examine components, relationships, patterns and implications rather than simply listing details.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Infer

Draw a conclusion from evidence that does not state the answer directly. Keep the evidence visible.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Interpret

Explain the meaning or significance of information, language, data or behaviour.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Justify

Give reasons or evidence that make a choice, conclusion or position reasonable.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Evaluate

Judge against explicit or inferable criteria, using evidence and acknowledging limitations where relevant.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Assess

Estimate or judge quality, extent, importance or condition using a suitable basis.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Discuss

Develop a considered account of an issue, often examining more than one aspect or perspective.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Summarise

Compress the main information while preserving essential meaning and excluding unnecessary detail.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Synthesize

Combine information from several parts or sources into a coherent whole.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Define

State the meaning or essential characteristics of a term within the relevant context.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Demonstrate

Show through evidence, example, reasoning or performance that something holds or can be done.

Mini-task: create a two-sentence response that would satisfy this command, then rewrite it for a neighbouring command. The contrast makes the hidden cognitive requirement visible.

Claims, Evidence and Support

A claim states something that can be accepted, challenged or refined. Evidence is information relevant to judging that claim. A source is where information comes from. Reasoning explains how the evidence bears on the claim. These parts should not be collapsed into one word.

Teach learners to ask three questions: What exactly is being claimed? What evidence is relevant? How does the evidence support, contradict or qualify the claim? Academic vocabulary should help answer these questions, not distract from them.

A credible source can still provide evidence that is irrelevant to a particular question. Relevant evidence can still be insufficient for a broad conclusion. Sufficient evidence can support a conclusion without making every alternative impossible. These distinctions are the heart of disciplined vocabulary use.

Use sentence frames carefully: ‘The evidence suggests that…’ is useful when the support is limited; ‘The evidence is consistent with…’ expresses compatibility; ‘The evidence establishes…’ is stronger. Do not turn the frames into fixed rankings independent of context.

For word-level precision, connect this section to What It Means to Know a Word and the Word-Use Repair Clinic.

Cause, Condition and Consequence

Reasoning often fails because causal language is stronger than the evidence. After does not mean because. Correlation does not automatically establish cause. A factor can contribute without being the sole cause. A condition can be necessary, sufficient, enabling or merely associated.

Use fictional scenarios where the evidence is intentionally limited. Change one variable at a time and ask which verbs remain justified. Compare caused, contributed to, coincided with, followed, enabled and was associated with. Learners should state the relationship before choosing the word.

Consequences can be intended or unintended, immediate or delayed, positive or negative. The word consequence does not mean punishment. This matters in science explanations, humanities essays, project reflections and everyday decisions.

Teach unless, provided that, only if, even if and depending on as condition language. Small function words can change the logic of a claim more than rare nouns do.

Certainty, Probability and Qualification

Strong reasoning distinguishes what is observed, inferred, plausible, likely, uncertain and established. A learner should be able to report evidence without pretending certainty and express a conclusion without making every sentence vague.

Use a confidence ladder with situations, not arbitrary percentages. Possible means not ruled out; plausible adds apparent reasonableness; likely indicates stronger expectation; certain removes relevant doubt. Context determines how much evidence is required and whether numerical probability is available.

Qualifiers such as may, might, appears, suggests, tends to, in this sample, under these conditions and based on the available evidence protect scope. They are not signs of weak writing when the evidence is genuinely limited.

Overqualification can also obscure meaning. If evidence strongly establishes a straightforward fact, unnecessary hedging can make the writer sound evasive. The target is calibrated certainty.

Comparison, Categories and Boundaries

Comparison requires a common dimension. Saying one method is faster and another is colourful does not establish a meaningful contrast unless those dimensions matter to the decision. State the criterion before judging.

Categories are tools, not natural laws in every context. A word can belong to more than one category depending on the classification rule. Teach classifying as an operation: choose a relevant feature, group consistently, then inspect borderline cases.

Equivalent is stronger than similar. Analogous highlights a relationship between structures or functions without claiming identity. Distinguish asks for the relevant difference. Contrast foregrounds differences. Compare can include both similarity and difference depending on task conventions.

Boundary cases are especially valuable. Ask whether an example nearly fits and which feature prevents it. This deepens both concept knowledge and lexical precision.

Evaluation: criteria before verdicts

Evaluation requires a basis. Effective for what? Reliable in what respect? Appropriate for whom? Significant according to which outcome? A vague positive or negative label is not an evaluation until the standard becomes visible.

Teach criterion, measure, benchmark, evidence, limitation and trade-off. A method can be efficient but less accessible; accurate but slow; engaging but unreliable; inexpensive but unsuitable for a particular constraint. Evaluation vocabulary helps preserve multi-dimensional judgment.

Ask learners to distinguish description from evaluation. ‘The method takes ten minutes’ is descriptive. ‘The method is efficient for a ten-minute review period’ is evaluative because the purpose creates a criterion.

Good evaluation can end without one overall winner. Different choices can be appropriate under different constraints. Vocabulary should clarify the trade-off rather than force a simplistic ranking.

The Vocabulary of Thinking Laboratory: 72 Reasoning Terms

1. observe

Thinking job. observe means notice and record what is present before adding interpretation. The word is useful because it names what is directly available. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise observe a change in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare observe with infer. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs what is directly available. If the learner uses observe but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move observe into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

2. identify

Thinking job. identify means recognise or name the requested item. The word is useful because it names naming rather than explaining. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise identify the cause in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare identify with explain. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs naming rather than explaining. If the learner uses identify but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move identify into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

3. describe

Thinking job. describe means state relevant features or events. The word is useful because it names features rather than mechanisms. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise describe the pattern in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare describe with explain. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs features rather than mechanisms. If the learner uses describe but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move describe into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

4. record

Thinking job. record means preserve an observation or result. The word is useful because it names capturing data before meaning-making. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise record the measurement in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare record with interpret. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs capturing data before meaning-making. If the learner uses record but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move record into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

5. detect

Thinking job. detect means notice the presence of something, often through evidence or measurement. The word is useful because it names evidence of presence. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise detect a change in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare detect with assume. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs evidence of presence. If the learner uses detect but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move detect into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

6. classify

Thinking job. classify means place items into groups according to a rule or property. The word is useful because it names grouping rather than ordering. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise classify by function in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare classify with rank. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs grouping rather than ordering. If the learner uses classify but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move classify into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

7. category

Thinking job. category means a group defined by shared features or purpose. The word is useful because it names the group rather than one member. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise category of evidence in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare category with example. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs the group rather than one member. If the learner uses category but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move category into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

8. criterion

Thinking job. criterion means a standard or feature used for judgment. The word is useful because it names basis for judgment. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise evaluation criterion in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare criterion with opinion. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs basis for judgment. If the learner uses criterion but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move criterion into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

9. distinguish

Thinking job. distinguish means identify a relevant difference. The word is useful because it names difference-making feature. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise distinguish between in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare distinguish with identify. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs difference-making feature. If the learner uses distinguish but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move distinguish into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

10. compare

Thinking job. compare means examine relevant similarities and differences. The word is useful because it names relationship across items. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise compare two methods in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare compare with describe. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs relationship across items. If the learner uses compare but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move compare into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

11. contrast

Thinking job. contrast means foreground important differences. The word is useful because it names difference-focused analysis. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise contrast the approaches in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare contrast with compare. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs difference-focused analysis. If the learner uses contrast but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move contrast into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

12. similar

Thinking job. similar means sharing relevant features. The word is useful because it names partial resemblance. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise similar pattern in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare similar with equivalent. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs partial resemblance. If the learner uses similar but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move similar into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

13. equivalent

Thinking job. equivalent means equal in relevant value, function or meaning. The word is useful because it names functional or semantic equality. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise roughly equivalent in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare equivalent with similar. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs functional or semantic equality. If the learner uses equivalent but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move equivalent into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

14. analogous

Thinking job. analogous means comparable in a meaningful structural or functional way. The word is useful because it names parallel relationship. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise analogous process in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare analogous with identical. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs parallel relationship. If the learner uses analogous but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move analogous into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

15. factor

Thinking job. factor means one element contributing to a result. The word is useful because it names partial influence. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise contributing factor in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare factor with cause. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs partial influence. If the learner uses factor but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move factor into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

16. cause

Thinking job. cause means produce or bring about a result. The word is useful because it names causal relation. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise cause a delay in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare cause with follow. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs causal relation. If the learner uses cause but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move cause into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

17. contribute

Thinking job. contribute means play a part in producing a result. The word is useful because it names shared causation. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise contribute to change in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare contribute with cause. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs shared causation. If the learner uses contribute but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move contribute into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

18. condition

Thinking job. condition means a circumstance affecting whether something occurs or works. The word is useful because it names contextual requirement. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise under these conditions in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare condition with cause. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs contextual requirement. If the learner uses condition but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move condition into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

19. consequence

Thinking job. consequence means a result following from an action or condition. The word is useful because it names result rather than penalty. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise consequence of in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare consequence with punishment. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs result rather than penalty. If the learner uses consequence but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move consequence into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

20. result

Thinking job. result means an outcome or consequence. The word is useful because it names outcome side of relation. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise result of the trial in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare result with cause. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs outcome side of relation. If the learner uses result but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move result into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

21. enable

Thinking job. enable means make something possible. The word is useful because it names possibility rather than guarantee. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise enable access in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare enable with cause. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs possibility rather than guarantee. If the learner uses enable but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move enable into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

22. facilitate

Thinking job. facilitate means make a process easier or more likely to proceed. The word is useful because it names support rather than determination. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise facilitate discussion in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare facilitate with cause. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs support rather than determination. If the learner uses facilitate but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move facilitate into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

23. restrict

Thinking job. restrict means limit range or possibility. The word is useful because it names limitation rather than total stopping. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise restrict access in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare restrict with prevent. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs limitation rather than total stopping. If the learner uses restrict but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move restrict into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

24. prevent

Thinking job. prevent means stop something from occurring. The word is useful because it names actual stopping rather than influence. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise prevent entry in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare prevent with discourage. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs actual stopping rather than influence. If the learner uses prevent but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move prevent into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

25. depend

Thinking job. depend means be determined or conditioned by something. The word is useful because it names conditional relation. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise depends on in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare depend with cause. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs conditional relation. If the learner uses depend but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move depend into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

26. claim

Thinking job. claim means a statement asserted for consideration or support. The word is useful because it names assertion rather than established truth. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise support a claim in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare claim with fact. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs assertion rather than established truth. If the learner uses claim but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move claim into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

27. evidence

Thinking job. evidence means information relevant to supporting or challenging a claim. The word is useful because it names support relationship. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise evidence suggests in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare evidence with example. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs support relationship. If the learner uses evidence but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move evidence into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

28. source

Thinking job. source means the origin of information or evidence. The word is useful because it names origin rather than content. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise reliable source in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare source with evidence. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs origin rather than content. If the learner uses source but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move source into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

29. support

Thinking job. support means provide reasons or evidence for a claim. The word is useful because it names strengthening without necessary certainty. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise support the conclusion in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare support with prove. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs strengthening without necessary certainty. If the learner uses support but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move support into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

30. contradict

Thinking job. contradict means conflict with a claim, statement or evidence. The word is useful because it names logical or factual conflict. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise contradict the explanation in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare contradict with disagree. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs logical or factual conflict. If the learner uses contradict but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move contradict into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

31. challenge

Thinking job. challenge means question or call into doubt. The word is useful because it names critical scrutiny without automatic rejection. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise challenge an assumption in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare challenge with disprove. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs critical scrutiny without automatic rejection. If the learner uses challenge but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move challenge into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

32. assumption

Thinking job. assumption means something accepted or presupposed without full proof in the current reasoning. The word is useful because it names unstated support condition. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise underlying assumption in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare assumption with fact. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs unstated support condition. If the learner uses assumption but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move assumption into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

33. infer

Thinking job. infer means draw a conclusion from evidence. The word is useful because it names reasoned conclusion. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise infer from evidence in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare infer with guess. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs reasoned conclusion. If the learner uses infer but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move infer into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

34. imply

Thinking job. imply means communicate or indicate indirectly. The word is useful because it names source side of unstated meaning. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise imply that in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare imply with infer. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs source side of unstated meaning. If the learner uses imply but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move imply into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

35. interpret

Thinking job. interpret means explain meaning or significance. The word is useful because it names meaning-making. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise interpret the findings in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare interpret with repeat. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs meaning-making. If the learner uses interpret but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move interpret into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

36. suggest

Thinking job. suggest means indicate a possibility or propose an idea. The word is useful because it names bounded indication. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise evidence suggests in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare suggest with prove. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs bounded indication. If the learner uses suggest but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move suggest into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

37. indicate

Thinking job. indicate means show or point towards. The word is useful because it names evidence without maximal commitment. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise results indicate in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare indicate with establish. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs evidence without maximal commitment. If the learner uses indicate but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move indicate into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

38. plausible

Thinking job. plausible means appearing reasonable or possible on available grounds. The word is useful because it names supported possibility. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise plausible explanation in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare plausible with certain. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs supported possibility. If the learner uses plausible but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move plausible into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

39. possible

Thinking job. possible means not ruled out. The word is useful because it names logical availability. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise possible cause in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare possible with likely. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs logical availability. If the learner uses possible but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move possible into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

40. likely

Thinking job. likely means having a comparatively strong expectation of occurrence. The word is useful because it names probability without certainty. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise likely outcome in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare likely with certain. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs probability without certainty. If the learner uses likely but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move likely into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

41. certain

Thinking job. certain means not subject to relevant doubt in the claim being made. The word is useful because it names epistemic status rather than tone. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise certain conclusion in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare certain with confident. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs epistemic status rather than tone. If the learner uses certain but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move certain into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

42. tentative

Thinking job. tentative means not fully settled or final. The word is useful because it names appropriate provisionality. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise tentative conclusion in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare tentative with weak. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs appropriate provisionality. If the learner uses tentative but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move tentative into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

43. uncertain

Thinking job. uncertain means not known or settled with confidence. The word is useful because it names lack of settled knowledge. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise uncertain result in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare uncertain with false. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs lack of settled knowledge. If the learner uses uncertain but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move uncertain into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

44. qualify

Thinking job. qualify means limit or modify a claim so its scope is accurate. The word is useful because it names precision through limitation. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise qualify the conclusion in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare qualify with weaken. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs precision through limitation. If the learner uses qualify but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move qualify into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

45. relevant

Thinking job. relevant means connected to the question or decision. The word is useful because it names relationship to purpose. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise relevant evidence in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare relevant with interesting. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs relationship to purpose. If the learner uses relevant but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move relevant into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

46. sufficient

Thinking job. sufficient means enough for the stated purpose. The word is useful because it names adequacy rather than quantity alone. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise sufficient evidence in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare sufficient with abundant. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs adequacy rather than quantity alone. If the learner uses sufficient but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move sufficient into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

47. reliable

Thinking job. reliable means dependable in the relevant respect. The word is useful because it names basis for trust. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise reliable method in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare reliable with famous. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs basis for trust. If the learner uses reliable but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move reliable into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

48. valid

Thinking job. valid means sound or acceptable under the relevant rules or reasoning. The word is useful because it names structural or methodological soundness. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise valid argument in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare valid with true. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs structural or methodological soundness. If the learner uses valid but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move valid into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

49. credible

Thinking job. credible means worthy of belief on available grounds. The word is useful because it names believability without certainty. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise credible account in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare credible with certain. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs believability without certainty. If the learner uses credible but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move credible into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

50. accurate

Thinking job. accurate means correct in facts or representation. The word is useful because it names correctness. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise accurate measurement in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare accurate with precise. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs correctness. If the learner uses accurate but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move accurate into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

51. precise

Thinking job. precise means exact in the relevant distinction. The word is useful because it names specificity. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise precise language in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare precise with detailed. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs specificity. If the learner uses precise but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move precise into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

52. consistent

Thinking job. consistent means compatible or stable in the relevant respect. The word is useful because it names compatibility without sameness. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise consistent with evidence in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare consistent with identical. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs compatibility without sameness. If the learner uses consistent but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move consistent into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

53. significant

Thinking job. significant means important enough to matter in context. The word is useful because it names importance rather than size. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise significant difference in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare significant with large. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs importance rather than size. If the learner uses significant but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move significant into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

54. analyse

Thinking job. analyse means examine components and relationships systematically. The word is useful because it names structure and relation. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise analyse the evidence in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare analyse with describe. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs structure and relation. If the learner uses analyse but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move analyse into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

55. component

Thinking job. component means one part of a larger system. The word is useful because it names part rather than cause. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise key component in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare component with factor. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs part rather than cause. If the learner uses component but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move component into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

56. structure

Thinking job. structure means the arrangement and relationship of parts. The word is useful because it names organisation. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise sentence structure in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare structure with list. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs organisation. If the learner uses structure but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move structure into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

57. pattern

Thinking job. pattern means a recurring or meaningful regularity. The word is useful because it names regularity across instances. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise pattern emerges in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare pattern with example. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs regularity across instances. If the learner uses pattern but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move pattern into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

58. mechanism

Thinking job. mechanism means a process or set of interactions producing an effect. The word is useful because it names how the process works. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise underlying mechanism in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare mechanism with cause. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs how the process works. If the learner uses mechanism but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move mechanism into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

59. function

Thinking job. function means the role or purpose something performs. The word is useful because it names job rather than appearance. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise function of the feature in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare function with form. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs job rather than appearance. If the learner uses function but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move function into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

60. evaluate

Thinking job. evaluate means judge quality, value or effectiveness using criteria. The word is useful because it names judgment against standards. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise evaluate the method in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare evaluate with describe. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs judgment against standards. If the learner uses evaluate but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move evaluate into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

61. assess

Thinking job. assess means estimate or judge quality, extent or condition. The word is useful because it names judgment that may use measures. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise assess reliability in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare assess with measure. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs judgment that may use measures. If the learner uses assess but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move assess into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

62. appropriate

Thinking job. appropriate means suitable for the situation, audience or purpose. The word is useful because it names fit to context. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise appropriate language in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare appropriate with correct. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs fit to context. If the learner uses appropriate but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move appropriate into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

63. effective

Thinking job. effective means successful in producing the intended result. The word is useful because it names outcome achievement. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise effective strategy in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare effective with efficient. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs outcome achievement. If the learner uses effective but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move effective into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

64. efficient

Thinking job. efficient means achieving a result with economical use of resources. The word is useful because it names resource relation. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise efficient process in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare efficient with effective. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs resource relation. If the learner uses efficient but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move efficient into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

65. limitation

Thinking job. limitation means a boundary or weakness restricting interpretation or use. The word is useful because it names constraint on conclusion. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise study limitation in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare limitation with error. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs constraint on conclusion. If the learner uses limitation but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move limitation into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

66. trade-off

Thinking job. trade-off means a situation where improving one dimension may reduce another. The word is useful because it names competing benefits. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise trade-off between speed and accuracy in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare trade-off with problem. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs competing benefits. If the learner uses trade-off but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move trade-off into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

67. synthesize

Thinking job. synthesize means combine information or ideas into a coherent whole. The word is useful because it names integration rather than compression. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise synthesize sources in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare synthesize with summarise. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs integration rather than compression. If the learner uses synthesize but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move synthesize into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

68. integrate

Thinking job. integrate means bring parts together so they work as a whole. The word is useful because it names coherent combination. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise integrate evidence in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare integrate with add. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs coherent combination. If the learner uses integrate but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move integrate into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

69. reconcile

Thinking job. reconcile means bring apparently conflicting ideas or results into a workable relationship. The word is useful because it names resolution of tension. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise reconcile the accounts in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare reconcile with choose. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs resolution of tension. If the learner uses reconcile but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move reconcile into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

70. formulate

Thinking job. formulate means develop and express an idea, plan or proposition clearly. The word is useful because it names constructed proposition. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise formulate a hypothesis in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare formulate with state. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs constructed proposition. If the learner uses formulate but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move formulate into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

71. conclude

Thinking job. conclude means reach a judgment or result from reasoning. The word is useful because it names reasoned endpoint. Before asking for the term, make sure the learner can perform the underlying reasoning in plain language. Technical vocabulary should make a distinction clearer, not hide an absent concept.

Phrase. Practise conclude that in a miniature task. The phrase gives the word a grammatical home. Then vary the topic or object so the learner sees which part of the expression is stable and which part changes. A reasoning word should become a usable pattern rather than a slogan.

Boundary. Compare conclude with guess. Ask what claim would change if the alternative were substituted. Look for differences in certainty, scope, causation, function, evidence or intellectual operation. The contrast is more valuable than memorising two isolated definitions.

Application. Give the learner a short evidence set, text, diagram, project scenario or decision. Require a response that genuinely performs reasoned endpoint. If the learner uses conclude but does the wrong mental operation, the vocabulary is decorative rather than functional.

Transfer. Move conclude into a second subject or everyday problem. Ask what stays the same and whether the discipline adds a special meaning. Reliable mastery means the learner can use the term to control reasoning across contexts without forcing one general definition into every technical use.

A Twelve-Week Vocabulary of Thinking Programme

Weeks 1–2 — Commands and observations

Teach identify, describe, explain, compare and infer through miniature tasks. Separate observation from interpretation.

End each phase with a fresh task in which the learner must choose the reasoning move without being told the target word. Record whether the issue is command recognition, concept, phrase, evidence calibration or transfer.

Weeks 3–4 — Claims and evidence

Build claim, evidence, source, support, relevant and sufficient. Use short argument maps and reading passages.

End each phase with a fresh task in which the learner must choose the reasoning move without being told the target word. Record whether the issue is command recognition, concept, phrase, evidence calibration or transfer.

Weeks 5–6 — Cause and conditions

Contrast cause, factor, contribute, condition, consequence, enable and prevent. Use fictional scenarios where causal evidence varies.

End each phase with a fresh task in which the learner must choose the reasoning move without being told the target word. Record whether the issue is command recognition, concept, phrase, evidence calibration or transfer.

Weeks 7–8 — Certainty and qualification

Practise possible, plausible, likely, certain, tentative, suggest, indicate and qualify. Match wording to support.

End each phase with a fresh task in which the learner must choose the reasoning move without being told the target word. Record whether the issue is command recognition, concept, phrase, evidence calibration or transfer.

Weeks 9–10 — Analysis and evaluation

Use analyse, structure, pattern, mechanism, criterion, assess, evaluate, limitation and trade-off in subject tasks.

End each phase with a fresh task in which the learner must choose the reasoning move without being told the target word. Record whether the issue is command recognition, concept, phrase, evidence calibration or transfer.

Weeks 11–12 — Synthesis and transfer

Integrate information from multiple sources or subjects, use reasoning vocabulary in open writing and speaking, and test independent command recognition.

End each phase with a fresh task in which the learner must choose the reasoning move without being told the target word. Record whether the issue is command recognition, concept, phrase, evidence calibration or transfer.

Cross-Curricular Reasoning Routes

English and literature

Use infer, perspective, implication, contrast, significant, relevant and evidence to connect textual detail to interpretation. Do not treat a character label as justified unless behaviour or language supports it.

Choose a real task from the domain and identify which reasoning words name operations the learner must perform. Teach those words through the task rather than as a detached academic list.

Mathematics

Use represent, equivalent, difference, pattern, constant, justify, prove and valid according to mathematical conventions. Technical meanings can be stricter than everyday use.

Choose a real task from the domain and identify which reasoning words name operations the learner must perform. Teach those words through the task rather than as a detached academic list.

Science

Use observe, measure, variable, factor, condition, cause, evidence, support, consistent with, limitation and evaluate. Distinguish observation from causal conclusion.

Choose a real task from the domain and identify which reasoning words name operations the learner must perform. Teach those words through the task rather than as a detached academic list.

Humanities and social studies

Use source, perspective, credibility, factor, consequence, significance, assumption, bias and evaluate. Keep source reliability separate from relevance to a specific question.

Choose a real task from the domain and identify which reasoning words name operations the learner must perform. Teach those words through the task rather than as a detached academic list.

Creative writing

Use perspective, imply, contrast, consequence, plausible, coherent and precise to plan narrative effects without forcing academic register into the story itself.

Choose a real task from the domain and identify which reasoning words name operations the learner must perform. Teach those words through the task rather than as a detached academic list.

Oral discussion

Use clarify, distinguish, justify, qualify, challenge, reconcile and conclude to make disagreement and refinement explicit while preserving respectful interaction.

Choose a real task from the domain and identify which reasoning words name operations the learner must perform. Teach those words through the task rather than as a detached academic list.

University and professional work

Use criterion, constraint, evidence, assumption, robust, valid, limitation, trade-off, synthesize and formulate. Adjust technical meanings to the discipline or workplace.

Choose a real task from the domain and identify which reasoning words name operations the learner must perform. Teach those words through the task rather than as a detached academic list.

Common Reasoning Vocabulary Errors

Command substitution

The learner treats describe, explain, analyse and evaluate as stylistic synonyms. Repair by changing one command while keeping the content constant and showing how the required answer changes.

The error becomes useful when it is converted into a future decision prompt. Do not merely replace the word. Ask what operation, relationship or evidence the sentence actually supports.

Evidence inflation

The learner uses prove or establish when the information only suggests or supports. Repair by calibrating the verb to the evidence.

The error becomes useful when it is converted into a future decision prompt. Do not merely replace the word. Ask what operation, relationship or evidence the sentence actually supports.

Cause inflation

The learner converts sequence or association into causation. Repair by naming what is observed and what additional evidence would justify cause.

The error becomes useful when it is converted into a future decision prompt. Do not merely replace the word. Ask what operation, relationship or evidence the sentence actually supports.

Scope inflation

The learner moves from some to most or all, from one context to every context, or from a sample to a population. Repair with explicit reference groups.

The error becomes useful when it is converted into a future decision prompt. Do not merely replace the word. Ask what operation, relationship or evidence the sentence actually supports.

Criteria omission

The learner evaluates using vague approval words. Repair by stating purpose and criteria before judgment.

The error becomes useful when it is converted into a future decision prompt. Do not merely replace the word. Ask what operation, relationship or evidence the sentence actually supports.

Synonym flattening

The learner treats similar, equivalent, analogous and identical as interchangeable. Repair with boundary examples.

The error becomes useful when it is converted into a future decision prompt. Do not merely replace the word. Ask what operation, relationship or evidence the sentence actually supports.

Technical transfer error

The learner carries an everyday sense into a discipline where the term is narrower. Repair by comparing general and subject-specific definitions.

The error becomes useful when it is converted into a future decision prompt. Do not merely replace the word. Ask what operation, relationship or evidence the sentence actually supports.

Decorative reasoning language

The learner inserts analyse, significant, evidence and therefore without performing the operation. Repair by removing the term and asking for the relationship in plain language.

The error becomes useful when it is converted into a future decision prompt. Do not merely replace the word. Ask what operation, relationship or evidence the sentence actually supports.

Frequently Asked Questions About Critical Thinking and Academic Vocabulary

What is critical thinking vocabulary?

It is the language used to name and perform reasoning moves such as observation, comparison, inference, evidence, cause, qualification, evaluation and synthesis.

Is academic vocabulary just difficult vocabulary?

No. Strong academic language is clear and accurate. Many high-value academic words are common-looking verbs and nouns that perform precise intellectual jobs.

Why do students misunderstand command words?

The verbs may be familiar in everyday language while the academic task expectation remains hidden. Teach the operation with miniature responses and contrasts.

What is the difference between describe and explain?

Description states relevant features or events. Explanation connects reasons, mechanisms or relationships that make the pattern understandable.

What is the difference between analyse and evaluate?

Analysis examines components and relationships. Evaluation judges quality, value or effectiveness against evidence or criteria. A task may require both, but they are not identical.

What is the difference between infer and guess?

An inference is a conclusion grounded in evidence or reasoning. A guess may be unsupported. Inference can still remain uncertain.

What makes evidence relevant?

It must bear on the claim or question being considered. True, interesting or credible information can still be irrelevant to a particular issue.

What makes evidence sufficient?

It is enough for the stated purpose or conclusion under the relevant standard. Sufficient does not mean abundant.

Why is cause vocabulary difficult?

Because events can occur together, in sequence or under shared conditions without one causing the other. Verbs encode different strengths of relationship.

How should uncertainty be written?

Use wording proportionate to evidence: possible, plausible, suggests, likely, tentative or certain as appropriate. Avoid both overclaim and empty hedging.

Can primary students learn reasoning vocabulary?

Yes, when the concepts are taught through age-appropriate examples, oral language, reading and tasks. Stage-specific owners should adjust depth and technicality.

Does reasoning vocabulary improve thinking automatically?

No. The word must be attached to the underlying operation. Learners can use sophisticated labels without performing the reasoning.

Should students memorise definitions?

Definitions can support knowledge, but application, contrast, evidence and transfer reveal whether the operation is understood.

Can reasoning vocabulary transfer across subjects?

Many terms do, but disciplines can narrow meanings. Compare uses explicitly rather than assuming identity.

How should teachers assess it?

Use small tasks that require the named operation, record support, and separate word recognition from reasoning performance.

What should parents do?

Use everyday decisions, stories and explanations to ask for reasons, evidence, contrasts and consequences without turning every conversation into an interrogation.

Is simple language acceptable?

Yes. A learner should be able to explain the reasoning plainly. Technical terms are valuable when they increase precision and efficiency.

How does this connect to active vocabulary?

Reasoning words become useful only when learners can retrieve and use them in real tasks. Use the active-vocabulary system for productive activation.

How does this connect to PSLE or Secondary English?

Use the stage-specific PSLE and SEC owners for examination and age-level demands. This page remains the broad conceptual synthesis.

Where next?

Use The Mastery Club for the map, the complete Vocabulary Mastery system for architecture, stage-specific thinking-vocabulary owners for curriculum application, and the Word-Use Repair Clinic for precision errors.

Research and Source Notes

Oxford Brookes University distinguishes core academic vocabulary from discipline-specific terms and advises students to write to express rather than impress. That principle fits this system: reasoning words should clarify intellectual work, not create ornamental difficulty.

Fallon, Lawrence and Seifert on semantic reasoning describes an approach integrating vocabulary instruction with critical thinking and contextualised learning for adolescents. This article uses its own original framework, but the broader connection between semantic depth and reasoning supports teaching vocabulary through intellectual operations rather than isolated lists.

The existing eduKate stage-specific pages such as PSLE Thinking Vocabulary and SEC G2 Academic Vocabulary already apply reasoning language to defined learner populations. This owner intentionally stays broad and cross-curricular so those pages retain their stage-specific search jobs.

For productive activation of reasoning words, use Turn Passive Vocabulary Into Active Vocabulary. For vocabulary precision and error repair, use the Word-Use Repair Clinic. For cross-context movement, use Vocabulary Transfer.

The Vocabulary of Thinking Standard

A learner does not master thinking vocabulary by reciting that analyse means break down, infer means conclude or evaluate means judge. Mastery appears when the learner reads a task, identifies the intellectual operation, performs it on relevant information, chooses language proportionate to evidence and can explain the difference from a neighbouring operation.

This is why the simplest sentence can be intellectually stronger than the most impressive paragraph. Clear thinking vocabulary makes relationships inspectable: what is observed, what is inferred, what is caused, what is merely possible, what evidence is relevant, what limitation remains and what criterion supports the judgment.

Return to The Mastery Club vocabulary hub for the full ecosystem and Vocabulary Mastery | The Complete System for the whole learning architecture. Reasoning vocabulary reaches maturity when the words no longer decorate thought; they help the learner control it.