Top 200 Vocabulary Word List for IGCSE Pathway Year 13 | Essential Word Pack

Year 13 Essential Word Pack: 200 words and meanings

Use this Year 13 Essential Word Pack to read evidence carefully, discuss ideas, complete independent projects and prepare for further study after IGCSE. Each entry teaches one useful sense with a natural phrase and an original example. This independent collection is not an official examination word list; school-year mappings vary.

School and examination requirements · Practice and learning guide

1–20: Reading claims and sources critically

Use these words to trace an idea, test its support and identify what remains uncertain.

No.	Word and form	Meaning	Natural use and example
1	provenance noun	The origin and history of a source, object or piece of information.	establish provenance Before using the chart, we established its provenance and located the original dataset.
2	corroboration noun	Additional evidence that supports an account or claim.	seek corroboration The interview offered corroboration for the date recorded in the programme.
3	attribution noun	Identifying the person or source responsible for words, ideas or actions.	accurate attribution Accurate attribution prevents the writer's interpretation from being mistaken for the interviewee's words.
4	appraisal noun	A considered assessment of the quality, value or suitability of something.	critical appraisal Our appraisal examined the study's method as well as its interesting conclusion.
5	synthesis noun	A connected account that brings material from several sources into a new whole.	a synthesis of findings The synthesis explains where the studies agree and why their findings differ.
6	triangulation noun	Examining a question through multiple methods or sources to compare their indications.	use triangulation The project used triangulation by comparing interviews, observations and written records.
7	discrepancy noun	A difference between things expected to agree, such as accounts or figures.	explain a discrepancy A discrepancy between the totals led us to check for a duplicated record.
8	caveat noun	A caution or condition that limits how a statement should be understood.	include a caveat The report includes a caveat that only regular library users answered the survey.
9	qualification noun	A limitation or added condition that makes a statement less absolute.	add a qualification She added the qualification that the result applied only to the observed week.
10	inference noun	A conclusion drawn from evidence and reasoning rather than directly stated information.	draw an inference His inference about the speaker's hesitation depends on the pause shown in the transcript.
11	implication noun	A possible consequence or meaning that follows from something.	consider an implication One implication of shorter opening hours is that some students may lose evening access.
12	presumption noun	Something taken to be true or accepted as a starting point unless challenged.	question a presumption The discussion questioned the presumption that every student could join online.
13	rationale noun	The reasoning that explains why a decision or approach was chosen.	explain the rationale The rationale for using interviews was to explore experiences that the counts could not explain.
14	warrant noun	A reason or principle that justifies moving from evidence to a claim.	examine the warrant We examined the warrant for treating these volunteers as typical of the whole year.
15	refutation noun	An argument or evidence that shows a claim to be false or mistaken.	a refutation of a claim The dated receipt provided a refutation of the claim that the purchase never occurred.
16	rebuttal noun	A reasoned response that challenges an opposing argument or allegation.	offer a rebuttal Her rebuttal explained why the suggested alternative would not solve the stated problem.
17	contention noun	A position or claim put forward in a discussion or argument.	support a contention The writer supports the contention that access matters with examples from three settings.
18	generalisation noun	A broad statement based on particular cases or observations.	limit a generalisation Limit the generalisation because the evidence comes from only one small group.
19	credibility noun	The degree to which a source or claim can reasonably be believed.	assess credibility Assess credibility by examining evidence and expertise rather than the page's polished appearance.
20	relevance noun	The extent to which something bears on the question or purpose at hand.	establish relevance A reliable source still needs relevance to the particular question you are answering.

21–40: Understanding research design

These terms help you ask what was studied and how the information was obtained.

No.	Word and form	Meaning	Natural use and example
21	methodology noun	The approach and reasoning behind the methods used in an investigation.	explain the methodology The methodology explains why interviews and observations were combined for this question.
22	operationalise verb	Define a concept through specified observations, measurements or procedures.	operationalise engagement We operationalise engagement as the number of voluntary contributions during a discussion.
23	construct noun	An abstract concept developed for explanation or investigation, such as motivation.	define a construct Before measuring the construct of confidence, the team explained what it meant.
24	indicator noun	An observation or measure used to suggest the condition of something else.	a possible indicator Attendance may be an indicator of participation, but it does not show every contribution.
25	proxy noun	Something used to represent another thing that is harder to observe directly.	use a proxy The study used borrowing records as a proxy for reading activity.
26	intervention noun	An action introduced to change a situation or investigate its effects.	introduce an intervention The intervention added a weekly discussion session to the existing course.
27	observation noun	Information gathered by watching or noticing something, or the act of doing so.	record an observation The observation describes what happened before the researcher offers an explanation.
28	recruitment noun	The process of finding and inviting people to join an activity or study.	participant recruitment Recruitment through one club may exclude students who never attend that club.
29	sampling noun	The process of selecting part of a population or collection for study.	a sampling method The sampling method determines which notices enter our collection for analysis.
30	representative adjective	Reflecting relevant characteristics of the wider group it is intended to stand for.	a representative sample A sample of only keen readers may not be representative of the entire school.
31	longitudinal adjective	Following the same people, units or phenomenon across a period of time.	a longitudinal study The longitudinal study follows the same learners through several school transitions.
32	retrospective adjective	Looking back at past events or previously collected information.	a retrospective account The retrospective account depends partly on what participants remember about earlier lessons.
33	prospective adjective	Planned to observe or collect information about events as they occur in the future.	a prospective study The prospective study records each week's activity from the start of the project.
34	qualitative adjective	Concerned with qualities, meanings or experiences, often using non-numerical material.	qualitative evidence The qualitative evidence explains why some participants found the instructions confusing.
35	quantitative adjective	Concerned with amounts and numerical measurement or analysis.	quantitative data The quantitative data show how many students attended each session.
36	exploratory adjective	Intended to investigate possibilities or discover patterns before more focused testing.	exploratory interviews The exploratory interviews helped the team identify questions for a larger study.
37	comparative adjective	Examining two or more things in relation to one another.	a comparative study The comparative study examines how two publications describe the same event.
38	experimental adjective	Using deliberate changes to conditions to investigate what effects they produce.	experimental design The experimental design assigns different instructions while keeping the task materials consistent.
39	replication noun	Repeating a study to examine whether its findings can be obtained again.	attempt a replication The replication used a new group while following the original study's stated procedure.
40	pilot noun	A small preliminary study used to check whether a larger study's arrangements work.	run a pilot The pilot revealed that two questions were unclear before the full survey began.

41–60: Interpreting numerical statements

Keep the denominator, comparison and uncertainty visible when you describe a result.

No.	Word and form	Meaning	Natural use and example
41	denominator noun	The lower number in a fraction, showing the number of equal parts considered.	identify the denominator In fifteen out of twenty, twenty is the denominator of the fraction.
42	numerator noun	The upper number in a fraction, showing how many of the parts are counted.	identify the numerator For three quarters, three is the numerator and four is the denominator.
43	percentage noun	An amount expressed as a number of parts out of one hundred.	calculate a percentage The percentage uses all invited students as its base, not only those who replied.
44	percentile noun	A value marking a position in ordered data relative to a specified percentage of observations.	the fiftieth percentile The fiftieth percentile describes a position in the distribution, not a mark of fifty per cent.
45	probability noun	A numerical expression of how likely an event is under specified conditions.	estimate a probability The probability refers to this model's conditions and may change under different assumptions.
46	likelihood noun	The chance that something will happen, in ordinary non-technical use.	assess the likelihood We discussed the likelihood of a delay after checking the remaining tasks.
47	uncertainty noun	The extent to which an outcome, value or explanation is not known precisely.	report uncertainty Report the uncertainty instead of presenting an estimate as an exact count.
48	variability noun	The degree to which observations or values differ from one another.	compare variability The second group had greater variability even though the two averages were similar.
49	dispersion noun	The spread of values within a dataset.	measure dispersion A measure of dispersion helps describe differences hidden by the mean alone.
50	skew noun	Asymmetry in the distribution of numerical values.	positive skew A few very long journeys produced positive skew, with a tail towards larger values.
51	normalise verb	Adjust values to a common basis or scale to support comparison.	normalise by attendance We normalised the totals by attendance before comparing the two sessions.
52	interpolate verb	Estimate a value within the range of known observations.	interpolate a value The model interpolates a value between the two recorded times.
53	extrapolate verb	Estimate beyond the observed range by extending a pattern or model.	extrapolate a trend Extrapolating next year's demand from one busy week requires considerable caution.
54	association noun	A relationship in which patterns in one variable are connected with patterns in another.	observe an association The study observed an association between attendance and completion, without establishing a cause.
55	correlation noun	A statistical relationship describing how variables vary together; common measures assess linear association.	a positive correlation A positive correlation links larger values of one measure with larger values of another.
56	causation noun	A relationship in which one factor brings about a change in another.	establish causation The observed association alone does not establish causation between the two factors.
57	confounder noun	A factor related to both a proposed cause and an outcome that distorts their observed relationship.	a potential confounder Prior experience is a potential confounder if it affects both course choice and performance.
58	effect noun	A change or result produced by a cause, in the causal sense used here.	an effect on attendance The investigation asks whether changing the time has an effect on attendance.
59	significance noun	In statistics, the outcome of assessing evidence against a specified null model using a test criterion.	statistical significance Statistical significance does not, by itself, show that the observed difference is practically important.
60	robustness noun	The extent to which a finding remains stable under reasonable changes in methods or assumptions.	check robustness We checked robustness by comparing the conclusion under two defensible ways of grouping the data.

61–80: Discussing language without ranking people

Use these terms to describe linguistic patterns and contexts accurately.

No.	Word and form	Meaning	Natural use and example
61	discourse noun	Connected language in use, considered beyond isolated words or sentences.	analyse discourse The analysis examines how the whole discussion establishes who may speak next.
62	register noun	Language choices associated with a particular purpose, activity or social situation.	a formal register The formal register of the notice differs from the group's informal messages.
63	dialect noun	A language variety associated with a community, including grammatical and vocabulary differences.	a regional dialect The speaker uses vocabulary associated with a regional dialect in the interview.
64	accent noun	A pattern of pronunciation associated with a person or group.	describe an accent An accent concerns pronunciation and does not by itself measure a person's knowledge.
65	idiolect noun	The language habits and patterns characteristic of an individual.	an individual idiolect Repeated phrases form one small part of the speaker's idiolect.
66	sociolect noun	A language variety associated with a particular social group.	study a sociolect The researcher considers a sociolect without assuming every group member speaks identically.
67	bilingual adjective	Able to use two languages, with ability potentially differing by skill or context.	a bilingual speaker The bilingual speaker chooses a language according to the listener and the situation.
68	multilingual adjective	Using or involving more than one language, often several.	a multilingual community The multilingual community displays notices in languages used by different readers.
69	code-switching noun	Alternating between languages or language varieties within communication.	analyse code-switching The transcript shows code-switching when the speaker quotes a family expression.
70	accommodation noun	Adjusting language behaviour in relation to other speakers or a social situation.	linguistic accommodation The speaker's slower pace may reflect accommodation to an unfamiliar listener.
71	convergence noun	Movement towards greater similarity, including between speakers' language choices.	linguistic convergence The conversation shows convergence when both speakers begin using the same local expression.
72	divergence noun	Movement towards greater difference, including between speakers' language choices.	linguistic divergence The analysis considers whether the shift in pronunciation signals divergence in that exchange.
73	prescriptivism noun	An approach to language that sets rules about which forms should be used.	language prescriptivism The debate examines prescriptivism in a style guide that prohibits particular constructions.
74	descriptivism noun	An approach that examines how language is actually used rather than prescribing preferred forms.	linguistic descriptivism Descriptivism asks how the expression functions in the speakers' actual conversation.
75	standardisation noun	The process by which forms of a language become established as a recognised standard.	language standardisation The lesson investigates the role of dictionaries in language standardisation.
76	pragmatics noun	The study of how context and shared understanding contribute to meaning in communication.	analyse pragmatics Pragmatics helps explain why a question about the time may function as a reminder.
77	semantics noun	The study of meaning in words, expressions and sentences.	lexical semantics The task uses semantics to examine how the word light changes meaning across contexts.
78	morphology noun	The study of word structure and the meaningful parts from which words are formed.	study morphology Morphology helps explain the relationship between help, helpful and unhelpful.
79	syntax noun	The ways words are arranged and related to form phrases and sentences.	analyse syntax The analysis of syntax explains how the subordinate clause limits the main claim.
80	phonology noun	The study of how sounds function and form patterns within a language.	study phonology Phonology examines sound contrasts that distinguish meanings in a language.

81–100: Completing an independent project

Make the work, its boundaries and its handover clear enough for another person to follow.

No.	Word and form	Meaning	Natural use and example
81	deliverable noun	A specific output that a project is expected to produce.	agree a deliverable The agreed deliverable is a checked catalogue, not a general promise to organise things.
82	milestone noun	A significant stage or achievement used to track progress.	reach a milestone Completing the interviews is a milestone before transcription and analysis begin.
83	dependency noun	A relationship in which one task or outcome relies on another.	identify a dependency Room booking is a dependency for publishing the event's location.
84	scope noun	The boundaries of what a task, investigation or project includes.	define the scope The scope covers school notices from one term, not every public notice in town.
85	specification noun	A detailed statement of requirements for a product, task or process.	meet a specification The specification requires a readable file and a separate record of sources.
86	feasibility noun	Whether something can realistically be carried out under the available conditions.	assess feasibility We assessed feasibility using the available time, equipment and permissions.
87	implementation noun	The process of putting a decision, plan or method into practice.	plan implementation Implementation begins once the team agrees who will complete each task.
88	iteration noun	One cycle of developing, testing and revising something.	a new iteration The next iteration of the questionnaire replaces the confusing opening question.
89	prototype noun	An early model used to test the design or operation of something.	test a prototype Visitors tested the prototype display before the group built the full version.
90	evaluation noun	A reasoned judgement of quality, success or value using relevant criteria.	conduct an evaluation The evaluation compares the actual outcomes with the project's stated aims.
91	audit noun	A systematic examination of records or processes against specified requirements.	conduct an audit The audit checked whether every quotation had a traceable source.
92	documentation noun	Records that explain how something was designed, carried out or maintained.	maintain documentation Clear documentation lets another student understand the choices made during the investigation.
93	accountability noun	Being answerable for decisions, actions and their consequences.	clear accountability Clear accountability identifies who must explain why the data were changed.
94	delegation noun	Entrusting a task or responsibility to another person.	effective delegation Effective delegation includes the expected result, available resources and deadline.
95	coordination noun	Organising separate activities so they work together effectively.	project coordination Coordination prevents two groups from booking the same equipment at the same time.
96	logistics noun	The practical organisation of people, materials, transport and timing.	manage logistics The logistics include transporting the models and arranging access before visitors arrive.
97	handover noun	The transfer of work, information or responsibility to another person.	prepare a handover The handover notes explain the unfinished tasks and where their files are stored.
98	oversight noun	Supervision or checking that work is being carried out appropriately.	maintain oversight The teacher maintains oversight while students make the project's routine decisions.
99	escalation noun	Referring a problem to a person or level with greater responsibility or authority.	agree an escalation route The group agreed an escalation route for problems it could not resolve itself.
100	ownership noun	Accepting responsibility for managing and completing a task, in this project sense.	take ownership Taking ownership of the catalogue means checking its completion, not merely naming the file.

101–120: Handling information responsibly

These meanings support transparent academic work and careful treatment of people’s information.

No.	Word and form	Meaning	Natural use and example
101	anonymity noun	A condition in which a person's identity is not known or revealed.	preserve anonymity The public examples preserve anonymity by avoiding details that identify the speakers.
102	confidentiality noun	An obligation or arrangement restricting access to information entrusted to someone.	maintain confidentiality The interviewer maintains confidentiality even though she knows the participant's identity.
103	consent noun	Agreement or permission given for a particular action or use.	informed consent The project explains the intended recording and display before seeking consent.
104	disclosure noun	Making information known to someone who did not previously have it.	a clear disclosure The disclosure tells readers that the author helped organise the event being reviewed.
105	integrity noun	Honesty and consistency in following sound principles.	academic integrity Academic integrity includes reporting an awkward result instead of concealing it.
106	plagiarism noun	Presenting another person's words, ideas or work as if they were your own.	avoid plagiarism Avoid plagiarism by acknowledging borrowed ideas as well as marking exact quotations.
107	fabrication noun	Making up information or results and presenting them as genuine.	data fabrication Inventing interviews that never happened would be data fabrication.
108	falsification noun	Altering or misrepresenting information so that the resulting account is false.	falsification of records Changing inconvenient readings without justification would be falsification of the records.
109	copyright noun	Legal rights that control certain uses of original creative works.	check copyright conditions The project checks copyright conditions before reproducing the illustration in a public display.
110	licence noun	Permission to use something under stated conditions.	follow a licence The licence permits specified uses of the image; we read those conditions before reusing it.
111	authorship noun	Responsibility for creating a work or its intellectual content.	establish authorship The project record makes the authorship of each original diagram clear.
112	acknowledgement noun	Recognition of another person's contribution, help or source material.	include an acknowledgement The acknowledgement credits the technician who helped us understand the recording equipment.
113	redaction noun	Removing or hiding selected information before a document is released.	check the redaction The redaction removes the contact details while leaving the relevant event information readable.
114	retention noun	Keeping information or material for a period of time.	a retention period The project agrees a retention period for recordings before collecting them.
115	transparency noun	Openness about methods, interests or decisions so that others can inspect them.	improve transparency Publishing the selection criteria improves transparency about which examples were included.
116	impartiality noun	Considering competing sides fairly without favouring one because of personal attachment.	maintain impartiality The chair maintains impartiality by giving both groups the same chance to explain.
117	objectivity noun	An effort to base judgement on evidence and explicit methods rather than personal preference.	support objectivity Recording the criteria before viewing the results helps support objectivity.
118	reflexivity noun	Examining how your position, assumptions or actions may influence an investigation.	practise reflexivity Reflexivity includes considering whether the interviewer's role affected what students felt able to say.
119	vulnerability noun	Exposure to possible harm or difficulty, or reduced ability to protect one's interests.	recognise vulnerability The discussion recognises vulnerability when participants may feel unable to decline a request.
120	inclusion noun	Enabling people to take part and have their needs or contributions considered.	support inclusion Offering accessible materials supports inclusion in the project discussion.

121–140: Reading institutional and public decisions

Use these terms to follow arguments about resources, rules and collective choices.

No.	Word and form	Meaning	Natural use and example
121	allocation noun	The distribution of resources or responsibilities among uses or recipients.	resource allocation The allocation gives more time to tasks that require checking by two people.
122	incentive noun	Something that encourages a person or organisation to act in a particular way.	provide an incentive The recognition scheme creates an incentive to complete the shared records accurately.
123	constraint noun	A condition or limit that restricts what can be done.	a time constraint The time constraint makes a smaller, well-checked study more realistic.
124	trade-off noun	A situation in which gaining one benefit requires giving up some other benefit.	consider a trade-off The trade-off is between a larger audience and more time for individual questions.
125	subsidy noun	Money or other support that reduces the cost of an activity or product.	provide a subsidy In the example, a subsidy reduces the fee charged to participants.
126	tariff noun	A tax imposed on goods crossing a national border, in this trade-related sense.	an import tariff The article distinguishes an import tariff from the shop's delivery charge.
127	revenue noun	Money received from an organisation's activities before relevant costs are deducted.	ticket revenue Ticket revenue increased, but so did the costs of running the event.
128	liability noun	A financial obligation or amount owed, in the accounting sense used here.	record a liability The unpaid printing bill remains a liability even after the exhibition closes.
129	asset noun	A resource owned or controlled that has value or can provide benefit.	a useful asset The repaired recorder is an asset that future project groups can use.
130	deficit noun	An amount by which spending or requirements exceed available income or resources.	a budget deficit The invented budget shows a deficit because costs exceed the money available.
131	compliance noun	Acting in accordance with a requirement, rule or standard.	check compliance The checklist supports compliance with the project's agreed recording procedure.
132	regulation noun	An official rule governing an activity or institution.	interpret a regulation Read the full regulation before assuming that its exception applies to this case.
133	jurisdiction noun	The area or matters over which a body has authority to make or apply rules.	within its jurisdiction The committee can decide only matters within its stated jurisdiction.
134	mandate noun	Authority or a formal instruction to carry out a particular task or policy.	a limited mandate The committee's mandate allows it to recommend changes, not to approve spending.
135	consultation noun	Seeking and considering relevant views before making a decision.	public consultation The consultation collects comments, but the notice must explain who makes the final decision.
136	scrutiny noun	Close and careful examination of information, decisions or actions.	subject to scrutiny The proposal is subject to scrutiny before resources are committed.
137	representation noun	Speaking or acting for a person or group in a decision-making setting.	fair representation The discussion asks whether representation includes students who cannot attend afternoon meetings.
138	legitimacy noun	The quality of being accepted as rightful, justified or properly authorised.	question legitimacy Members questioned the decision's legitimacy because the required consultation had been skipped.
139	equity noun	Fairness that considers relevant differences in needs, opportunities or circumstances.	evaluate equity The group evaluates equity by asking who benefits and who still faces barriers.
140	sustainability noun	The ability of an activity or system to continue without undermining the resources it depends on.	assess sustainability Sustainability requires considering who will maintain the project after its founders leave.

141–160: Contributing to a seminar

These verbs help you make a precise contribution and respond to another person’s reasoning.

No.	Word and form	Meaning	Natural use and example
141	articulate verb	Express an idea clearly in words.	articulate a concern Articulate the concern by naming the missing evidence rather than calling the report weak.
142	formulate verb	Develop and express an idea, question or plan in a clear form.	formulate a question We formulated a question that could be answered using the records available.
143	substantiate verb	Provide evidence or reasons that support a claim.	substantiate a claim Substantiate the claim with a relevant example and explain what it demonstrates.
144	concede verb	Accept a point as valid, especially when it challenges your own position.	concede a limitation I concede that the smaller sample cannot show how every student responds.
145	qualify verb	Limit or modify a statement so that it is more accurate.	qualify a conclusion Qualify the conclusion by stating that it applies to the participants observed.
146	challenge verb	Question the truth, adequacy or justification of something.	challenge an assumption We challenged the assumption that silence always indicates agreement.
147	probe verb	Investigate a point more deeply through careful questions or examination.	probe a claim The tutor probed the claim by asking what evidence would count against it.
148	elaborate verb	Add relevant explanation or detail to an idea.	elaborate on a reason Elaborate on the reason by showing how the proposed change would work.
149	clarify verb	Make a meaning, claim or instruction easier to understand.	clarify a distinction Clarify the distinction between a missing response and a negative response.
150	paraphrase verb	Restate a meaning in different words without changing its essential content.	paraphrase a position Paraphrase your partner's position before explaining why you disagree with it.
151	reconcile verb	Show how apparently conflicting accounts or positions can fit together.	reconcile the findings We reconciled the findings by noticing that the studies measured different outcomes.
152	distinguish verb	Recognise or explain a meaningful difference between things.	distinguish between Distinguish between a participant's statement and the researcher's interpretation of it.
153	contextualise verb	Explain something in relation to the circumstances that shape its meaning.	contextualise a quotation Contextualise the quotation by identifying the audience and the question being answered.
154	synthesise verb	Combine material or ideas into a connected account that explains their relationships.	synthesise evidence Synthesise the evidence around the question instead of listing one source after another.
155	negotiate verb	Discuss differing needs or positions in order to reach an agreement.	negotiate a role We negotiated a role that matched both the project's needs and the volunteer's availability.
156	mediate verb	Help people with differing positions communicate and seek agreement.	mediate a disagreement The chair mediated the disagreement by separating shared aims from disputed methods.
157	reciprocate verb	Respond to an action or contribution with a similar one.	reciprocate support When another group shared its equipment, we reciprocated by helping with the display.
158	defer verb	Postpone a decision or action until a later time.	defer a decision We deferred the decision until the missing cost information was available.
159	concur verb	Agree with a statement or judgement.	concur with a view I concur with the recommendation because it addresses the stated access problem.
160	dissent verb	Express disagreement with a prevailing or official view.	dissent from a decision Two members dissented from the decision and explained their reasons in the record.

161–180: Evaluating options against clear criteria

Choose an adjective only after you can state the evidence or condition that makes it fit.

No.	Word and form	Meaning	Natural use and example
161	efficient adjective	Achieving an intended result with relatively little wasted time, effort or resources.	an efficient process The process is more efficient because it produces the same checked output in less time.
162	effective adjective	Producing the intended result or achieving the stated purpose.	an effective explanation The explanation is effective if readers can correctly follow the unfamiliar procedure.
163	economical adjective	Using money or other resources carefully with little unnecessary expense.	an economical option The economical option meets the requirements while costing less to operate.
164	equitable adjective	Fair in a way that considers relevant differences in circumstances or needs.	an equitable arrangement An equitable arrangement considers learners who cannot stay after school.
165	accessible adjective	Able to be reached, understood or used by the intended people.	accessible information The information becomes more accessible when the unexplained abbreviations are expanded.
166	scalable adjective	Able to handle a larger amount of work or participation without losing essential function.	a scalable process The process is scalable only if it still works when several groups use it.
167	durable adjective	Able to last or resist wear and damage over time.	a durable material A durable material is useful for a display that will be moved repeatedly.
168	resilient adjective	Able to recover, adapt or continue functioning after difficulty or disruption.	a resilient arrangement The arrangement is resilient because another trained person can cover an absence.
169	reversible adjective	Able to be undone or returned to a previous condition.	a reversible change A reversible trial allows the group to restore the earlier arrangement if needed.
170	proportionate adjective	Appropriate in size or degree to the need, risk or matter concerned.	a proportionate response A proportionate response corrects the small error without unnecessarily repeating the whole project.
171	sufficient adjective	Enough to meet a specified need or establish the relevant requirement.	sufficient evidence One example is not sufficient evidence for a claim about every learner.
172	necessary adjective	Required for something to happen or for a condition to be met.	a necessary condition Permission is a necessary condition for using this restricted collection.
173	compatible adjective	Able to work or exist together without a relevant conflict.	compatible formats The files need compatible formats so the teams can combine their records.
174	viable adjective	Capable of working successfully under the relevant practical conditions.	a viable plan The plan is viable only if enough trained volunteers can attend.
175	optimal adjective	Best according to a stated goal and the constraints being considered.	an optimal choice The optimal choice for speed may differ from the optimal choice for accessibility.
176	adverse adjective	Unfavourable or harmful in its effect.	an adverse effect The review asks whether the timetable change had an adverse effect on participation.
177	unintended adjective	Happening without having been planned or aimed for.	an unintended consequence An unintended consequence was that some students could no longer reach the session on time.
178	cumulative adjective	Increasing or developing through the addition of successive amounts or effects.	a cumulative effect Several small delays had a cumulative effect on the project's completion date.
179	contingent adjective	Depending on another event or condition.	contingent on approval The booking is contingent on approval from the person responsible for the room.
180	sustainable adjective	Able to continue without exhausting or undermining the resources and support it requires.	a sustainable routine A sustainable routine fits the learner's workload and leaves time to review mistakes.

181–200: Understanding the next stage of study

Institutions use these terms differently, so read the specific course or policy description.

No.	Word and form	Meaning	Natural use and example
181	prerequisite noun	Something that must be completed or present before another activity can begin.	meet a prerequisite The course description names an introductory module as a prerequisite for the advanced module.
182	elective noun	A course or component selected from available options rather than required of everyone.	choose an elective She compared the elective's content with her interests before choosing it.
183	module noun	A defined unit of a course with its own content and learning activities.	complete a module The module combines reading, discussion and a small independent investigation.
184	seminar noun	A teaching session in which a group discusses a topic, often after preparation.	prepare for a seminar Prepare for the seminar by identifying one question and one relevant passage.
185	tutorial noun	A teaching session giving focused guidance to an individual or a small group.	attend a tutorial The tutorial helped me explain why my method did not answer the original question.
186	lecture noun	A planned talk used to present or explain a subject to an audience.	take lecture notes My lecture notes record the main argument and the examples needed to understand it.
187	dissertation noun	An extended piece of academic writing based on independent study or research.	plan a dissertation The dissertation proposal sets a question narrow enough to investigate carefully.
188	placement noun	A period of practical learning or work arranged as part of a course or programme.	a work placement The placement description explains the activities and how they relate to the course.
189	internship noun	A period of practical work experience intended to develop knowledge of a role or field.	apply for an internship Before applying for the internship, read its duties, arrangements and stated eligibility requirements.
190	scholarship noun	An award that supports study, often made under stated achievement or other selection criteria.	scholarship criteria The scholarship criteria explain what the selection panel will consider.
191	bursary noun	Financial support for study, often linked to need under the provider's own rules.	a study bursary The bursary information states who may apply and what supporting information is needed.
192	transcript noun	An official record of a student's courses and results, in this educational sense.	an academic transcript The application asks for an academic transcript rather than a list typed by the applicant.
193	portfolio noun	A selected collection of work demonstrating skills, development or achievement.	assemble a portfolio The portfolio includes brief explanations of each piece and the decisions behind it.
194	rubric noun	A set of criteria and performance descriptions used to assess work.	read the rubric Read the rubric to understand how evidence, reasoning and communication will be judged.
195	accreditation noun	Formal recognition that an institution or programme meets specified standards.	verify accreditation The guide asks applicants to verify accreditation through the relevant recognised body.
196	credential noun	A qualification or other evidence of a person's achievement or suitability.	an academic credential A credential should be described accurately, including what was actually completed.
197	matriculation noun	The process of formally becoming a student at a college or university.	complete matriculation The institution explains the steps required to complete matriculation after accepting an offer.
198	deferral noun	An agreed postponement of something, such as the start of a course.	request a deferral A request for deferral needs a decision; sending the request does not itself grant approval.
199	withdrawal noun	The act or process of leaving a course or ceasing participation.	course withdrawal Read the course's withdrawal procedure before assuming that stopping attendance completes it.
200	alumni plural noun	Former students of a school, college or university.	contact alumni The alumni described several different routes from the same course into further study.

Choose your next learning step

Start with the task that is useful today. The practice passages and model answers are original teaching examples, not predicted examination questions.

Return to a word group

• 1–20: Reading claims and sources critically
• 21–40: Understanding research design
• 41–60: Interpreting numerical statements
• 61–80: Discussing language without ranking people
• 81–100: Completing an independent project
• 101–120: Handling information responsibly
• 121–140: Reading institutional and public decisions
• 141–160: Contributing to a seminar
• 161–180: Evaluating options against clear criteria
• 181–200: Understanding the next stage of study

Practise and check your understanding

• What examination requirements apply in Year 13?
• Use essential words to do more demanding work
• The Fencing Method: qualify a claim without losing it
• Reading lab: a small survey with a large claim
• Seminar lab: disagree with a claim, then improve it
• Precision lab: distinguish nearby meanings
• Twelve practice tasks for independent control
• Answers and explanations
• Build a study cycle around real performance
• Frequently asked questions
• Sources and companion reading
• Essential Word Packs for other years

What examination requirements apply in Year 13?

Year 13 in this pathway means pre-university study after IGCSE. Your school year is not a qualification name, and schools do not all map years in the same way. This pack develops language for independent study, source reading, seminar discussion and decisions about evidence. It cannot replace subject knowledge or the specific syllabus your school follows.

For Cambridge English Language 9093 in 2027–2028, full A Level adds Paper 3 Language Analysis and Paper 4 Language Topics to the AS components. Both last 2 hours 15 minutes. Paper 3 covers language change and child language acquisition; Paper 4 covers English in the world and language and the self. The official syllabus sets the assessment detail.

Terms such as register and accommodation are useful only when connected to observable language and an appropriate explanation. Calling something “a sociolect” without specifying the pattern, community or context does not demonstrate an analysis. The same discipline applies in other subjects: explain the relevant process or evidence rather than displaying terminology.

The Cambridge subject page separates syllabus versions by examination year. Check it for the version you will sit, particularly for examinations from 2029. The classroom investigations below are original teaching tasks, not official papers, and the suggested checks are not grade thresholds.

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Use essential words to do more demanding work

Essential does not mean elementary. A useful pre-university vocabulary lets you follow a condition, identify a weak comparison, preserve a source’s meaning and contribute a reasoned question. Some entries are technical because the task requires technical precision; other entries are familiar because their careful use still matters.

Choose a small cluster for one activity. For reading research, try provenance, methodology, sampling, caveat and relevance. For a project meeting, try scope, dependency, milestone, handover and accountability. Write a sentence that explains an actual decision. Then ask a partner what action or conclusion they understood from it.

Build each word record around a boundary. Relevance asks whether a source bears on your question; credibility asks whether it is reasonably believable. An authoritative article on the wrong topic may be credible but irrelevant. A directly relevant post with no traceable evidence may still be weak support. These words identify different checks.

Do not replace a familiar term simply to sound formal. If “put off the meeting” fits a friendly conversation, it may be clearer than defer. In minutes, “The committee deferred the decision pending a cost estimate” may fit the purpose. Good vocabulary gives you a choice of register and precision rather than a rule to use the longest word.

Keep source language and your own reasoning separate

The University of Leeds recommends keeping source details and distinguishing quotations from your own notes in its academic-practice guidance. In your word record, label the original sentence as a quotation, then write your own explanation below it. A paraphrase still needs acknowledgement when you use the source’s idea in assessed work.

For support, reduce a difficult sentence to who did what and under which condition. For stretch, explain why a tempting alternative word would change the claim. This gives you a precise correction to apply in the next piece of work.

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The Fencing Method: qualify a claim without losing it

The eduKate Fencing Method starts from a controlled sentence and adds useful complexity before transferring the word to another setting. Here the target is qualify: limit a claim accurately while keeping the part that the evidence supports.

1. Base: “We should qualify the conclusion.” The sentence is grammatical but its reason is still unstated.
2. Detail: “We should qualify the conclusion about students’ preferences.” The reader knows which conclusion is involved.
3. Tone: “I suggest that we qualify the conclusion about students’ preferences.” The speaker makes a clear, measured recommendation.
4. Reason: “I suggest that we qualify the conclusion about students’ preferences because only half the invited students replied.” The limit now follows from a stated fact.
5. Transfer: “The reviewer qualified her recommendation by explaining that the method had been tested only with small groups.” The verb works in another evidence-based decision.

Notice that qualifying is not the same as withdrawing every claim. If 24 of 40 respondents prefer an online workshop, you can say that 60% of respondents expressed that preference. You cannot silently change respondents to all students. The useful conclusion remains; its population is stated accurately.

Test a second word: contingent

Begin, “The plan is contingent on approval.” Add the source of approval, then explain its consequence: “The plan is contingent on the coordinator’s approval, so we will confirm that decision before inviting participants.” The condition does real work. Writing “The plan is contingent and excellent” offers an evaluation without identifying what the plan depends on.

Transfer contingent to a project budget, room booking or proposed field visit. In each case, name the dependency. Keep a short final sentence if further expansion begins to obscure the condition. The aim is control of meaning, not a compulsory five-clause sentence.

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Reading lab: a small survey with a large claim

Original practice dossier: A school library invites 80 Year 13 students to answer a voluntary survey about a proposed research workshop. Forty students reply. Of those respondents, 24 prefer an online workshop and 16 prefer an in-person workshop. The invitation is sent through the library’s existing mailing list. The librarian notes that students who seldom use the library may be less likely to read these messages. A draft report states: “Most Year 13 students prefer online workshops. Online delivery will therefore increase attendance.” No workshop has yet taken place, and the survey does not ask whether students would actually attend.

Questions to answer from the dossier

1. What is the response rate among the 80 invitees?
2. What proportion of respondents prefers online delivery?
3. What proportion of invitees is known to have expressed that preference?
4. Why is the claim about most Year 13 students too strong?
5. What supports the suggestion of possible selection bias?
6. Does the survey establish an effect on attendance?
7. Write a more defensible two-sentence report.

Worked interpretation

The response rate is 40 divided by 80, or 50%. Online preference among respondents is 24 divided by 40, or 60%. Those 24 students are 30% of the 80 invitees. Each percentage answers a different question. None tells us the preference of the forty people who did not reply.

The broad claim changes the group from respondents to all Year 13 students without establishing representativeness. The mailing-list route and the librarian’s observation identify a possible recruitment limitation. They do not prove exactly how non-respondents would answer. Describe the uncertainty instead of inventing the missing responses.

The survey also does not establish an attendance effect. Preference is not attendance, and no workshop has occurred. A defensible report could say: “Among the 40 respondents, 24 preferred an online workshop. This voluntary survey does not establish the preferences of non-respondents or whether online delivery would increase attendance.”

Propose a useful next step

Ask how students were reached, whether the invitation was accessible and what practical barriers affect attendance. A small pilot could test arrangements before a larger commitment. State what the pilot will measure; “It worked” is too vague. For example, record registrations, actual attendance and participants’ reported difficulties separately.

For the distinction between association and causation, see Penn State’s statistical concepts guidance. Our survey is an invented reading exercise. Its purpose is to make denominators, recruitment and the limits of a claim visible.

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Seminar lab: disagree with a claim, then improve it

Work in a group of three. One person presents the survey finding, another questions it, and a third records the revised conclusion. Give each speaker time to finish. The recorder checks whether the final wording reflects the actual agreement.

Presenter: “Sixty per cent of the respondents preferred online delivery, so I recommend an online pilot.”
Questioner: “I concur that a pilot could be useful. Could you clarify whether you are recommending it because of preference or because you expect higher attendance?”
Presenter: “Because of preference among respondents. We have not measured attendance.”
Recorder: “Then the proposed pilot will test attendance and practical difficulties rather than assuming an improvement.”

The questioner preserves the sound numerical claim and probes the reasoning behind the recommendation. This is stronger than saying “Your sample is biased, so the survey is useless.” A limitation may restrict a conclusion while leaving some descriptive information useful.

Listen for a qualification

Ask a partner to read this sentence once: “The pilot is viable if the platform is accessible and two staff members are available; funding alone is insufficient.” Without looking, state the two positive conditions and the limit on the funding claim. A correct restatement identifies accessibility and staffing and does not turn funding into a guarantee.

Now negotiate an action: “Before deciding, I will check platform access while you confirm staffing.” Assigning an owner and a concrete question makes the discussion productive. In a second round, switch roles and use an entirely different project, such as an exhibition or peer-reading group.

For stretch, respond to a new fact: only 18 of the 24 online-preferring respondents say they can attend the proposed time. Do not retroactively alter the original preference result. Instead, distinguish preference from stated availability and explain what the new information changes.

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Precision lab: distinguish nearby meanings

1. Percentage and percentile

A percentage expresses an amount out of one hundred. A percentile identifies a position in a distribution. A score of 70% is not automatically the seventieth percentile: ranking depends on the other scores and the convention used. Consult the Cambridge Dictionary entry for this statistical sense, then check the reporting system you are reading.

2. Indicator, proxy and the underlying construct

Suppose you want to study engagement but count only borrowed books. Borrowing is observable; engagement is broader and needs a clear definition. The count may act as an indicator or proxy, but it misses reading without borrowing and borrowing without reading. Explain the measurement choice and its limit. OpenStax’s account of operational definitions explains why specifying how a variable is measured matters.

3. Statistical significance and practical importance

Do not interpret significance as an automatic statement that an effect is large, beneficial or causal. Those are separate questions. Ask which test was used, what comparison was made, how large the observed difference was and what the design can establish. See Penn State’s discussion of relationships between variables for why a statistically significant association does not by itself settle causation.

4. Confidentiality and anonymity

If an interviewer knows the speaker’s identity but restricts who can access it, confidentiality is the relevant arrangement. If a public account does not identify the speaker, that account may preserve anonymity. Removing a name may still leave identifying details, such as a unique role. The APA Dictionary’s explanation of anonymity distinguishes it from confidentiality when the researcher knows the identity. Follow your school’s actual procedures for collecting information.

5. Accent, dialect and a person’s ability

An accent concerns pronunciation. A dialect can include grammar and vocabulary. Neither label provides a measure of intelligence or academic ability. Examine the language feature that is present rather than inferring a person’s competence from a social stereotype. The terms prescriptivism and descriptivism describe different approaches to language, explained in the linked Cambridge Dictionary entries in the source list.

6. Necessary and sufficient

In an invented booking rule, permission and an available room are both required. Permission is necessary, but it is not sufficient by itself when no room is available. If the rule states that these are the only conditions, meeting both is sufficient under that rule. Read the complete condition before choosing either adjective.

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Twelve practice tasks for independent control

1. Twenty-four of forty respondents choose option A. Write the percentage with its correct group label.
2. The same forty respondents came from eighty invitees. Is the known support for A among invitees 30% or 60%? Explain.
3. A study defines concentration as the number of correct responses in a ten-minute task. Which verb describes turning the concept into this measure?
4. An article is reliable but addresses a different question. Which concern remains: credibility or relevance?
5. A researcher knows participants’ names but restricts the records to the project team. Which term best describes this arrangement: confidentiality or anonymity?
6. Repair the claim: “The scores are correlated, so one definitely causes the other.”
7. A plan can work only after approval. Complete the natural phrase: “The plan is contingent ___ approval.”
8. Repair: “Please elaborate your objection with the sample.” Preserve the intention of requesting detail about the sample objection.
9. A committee may recommend a purchase but cannot authorise spending. Explain the limit using mandate.
10. A student copies an idea into different wording without crediting its source. Explain why paraphrasing alone does not settle the issue.
11. Write a two-sentence handover containing a completed deliverable and one unresolved dependency. Keep your invented facts consistent.
12. Write a sentence using qualify to improve the claim “Everyone found the instructions clear” when only six of thirty participants were asked, and all six reported that the instructions were clear.

Explain the rejected option when an item offers a choice. For the open questions, judge whether the response preserves the facts and uses the word naturally. Several answers can satisfy the task.

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Answers and explanations

1. 60% of respondents. The calculation is 24 ÷ 40 × 100. Retain the group label; without it, the number can imply more than the data show.
2. 30%. The known supporting responses are 24 of 80 invitees. The remaining invitees’ preferences are not supplied. Do not label all non-responses as opposition.
3. Operationalise. The study operationalises concentration using a specified performance measure. You can still question whether that measure adequately captures the intended construct.
4. Relevance. A credible source may not answer your question. Its reliability does not remove the need to explain why it belongs in your argument.
5. Confidentiality. The researcher knows the identities but limits access. Anonymity would require attention to whether identities are unknown or unrevealed in the relevant setting.
6. Example: “The scores are correlated, but that relationship alone does not establish causation.” Further explanation might consider direction, other variables and the study design. Do not claim that correlation is worthless; it describes a relationship.
7. On. “Contingent on approval” names the condition on which the plan depends.
8. “Please elaborate on your objection about the sample.” “Could you explain your sampling objection in more detail?” is also clear. Preserve the question rather than adding an accusation.
9. Example: “The committee’s mandate allows it to recommend the purchase but does not give it authority to approve spending.” Both the permitted action and its boundary are visible.
10. The idea remains borrowed. The student needs appropriate acknowledgement of its source. Paraphrasing concerns expression; attribution concerns whose contribution is being used.
11. Example: “The checked catalogue is the completed deliverable. Printing the labels still depends on confirmation of the final room layout.” The dependency explains what must happen before the remaining task can be completed.
12. Example: “We should qualify the claim: all six participants asked reported that the instructions were clear, but we did not ask the other twenty-four.” The correction preserves the actual responses and removes the unsupported universal conclusion.

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Build a study cycle around real performance

Select ten to twenty words that help with a current subject task. First establish the meanings and natural combinations. On a later day, put the list aside and explain the task using several of them. Check the explanation afterwards and keep a short record of errors that changed meaning, grammar or the strength of a claim.

Use three distinct checks across the week. A meaning check asks you to explain a term. A contrast check asks you to distinguish it from a nearby term. A transfer check asks you to use it accurately in a new source, discussion or practical decision. Do not treat success on the first as proof that the other two are secure.

The Institute of Education Sciences practice guide supports spacing learning and retrieval practice. This suggested weekly arrangement is an adaptable teaching routine, not an officially validated timetable. Increase or reduce the load according to what you can recall and use accurately alongside your subject work.

A useful record of improvement

Write an initial answer to the survey dossier and keep it. After studying the distinctions, write a fresh answer without copying the model. Compare the population labels, denominators, conditions and confidence of each claim. Improvement may mean replacing one overconfident sentence with a more exact one rather than adding several advanced words.

For examination preparation, apply the same check to a genuine practice task marked against the correct syllabus. Ask whether the vocabulary helps demonstrate the assessed understanding. Work towards top grades through accurate, relevant performance and feedback; this vocabulary pack cannot assign an official grade or promise a distinction.

Prepare for the next stage without guessing its rules

When reading a course description, identify prerequisites, optional components and what must be submitted. When you see a scholarship, bursary or placement, read that provider’s actual conditions. The list explains terms so you can ask informed questions; it does not set the rules of any institution. Record uncertain points and seek an answer from the stated contact before making a decision.

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Frequently asked questions

Does every Year 13 learner need all the technical words?

No. Choose words that support your subjects and current tasks. The pack combines general academic communication with useful specialist introductions. A learner studying language may use the linguistics group frequently, while another may begin with research, data and project organisation.

Is this an official A Level word list?

No. It is an independent eduKate selection. Examination requirements come from the relevant board, subject code and syllabus year. The Cambridge example explains one route and does not describe every international pre-university qualification.

Can a simple word still be the best choice?

Yes. A clear explanation can use ordinary vocabulary while expressing a demanding idea. Choose a specialist term when it identifies a distinction accurately, and explain it if your audience may not know it. Formality alone is not evidence of strong reasoning.

How do I stop confusing related terms?

Use the same scenario to test both. Ask whether you are describing an amount or a rank, a required condition or a complete guarantee, a source’s credibility or its relevance. Write one example where each term fits and one where it does not.

Should I memorise the model answers?

Use them to understand the reasoning, then practise on new facts. If the respondent numbers, conditions or evidence change, your answer must change. A memorised sentence is useful only when you can explain why it fits the new task.

Can I use these words in applications and interviews?

Use them when they describe your experience accurately. Explain the actual contribution, decision or learning rather than attaching labels such as leadership or resilience without evidence. Read each application’s instructions and preserve your own voice.

What should I do when I cannot explain a word simply?

Return to the example and identify the action, relationship or condition it describes. Ask a teacher or partner to compare it with a familiar case. If the concept remains unclear, leave the term out of important writing until you can use it responsibly.

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Sources and companion reading

The word selection, meanings, sentences, passages and activities are independent eduKate teaching material. The sources below support the examination context and specific learning guidance; they do not prescribe this 200-word sequence or guarantee an outcome.

• APA Dictionary of Psychology: anonymity — Distinguishing anonymity from confidentiality.
• Cambridge English Language 9093: syllabus for 2027–2028 — Official full A Level assessment context.
• Cambridge English Language 9093 subject page — Syllabus selection by examination year.
• University of Leeds: skills for good academic practice — Source records and acknowledgement.
• Penn State STAT 100: relationships between measurement variables — Association, correlation, statistical significance and causal caution.
• OpenStax Psychology 2e: analysing findings — Operational definitions and the measurement of variables.
• Cambridge Dictionary: percentile — Statistical meaning.
• Cambridge Dictionary: prescriptivism — An approach concerned with rules for language use.
• Cambridge Dictionary: descriptivism — An approach concerned with describing language use.
• Institute of Education Sciences: Organizing Instruction and Study to Improve Student Learning — General evidence for spacing and retrieval.
• eduKate: the Fencing Method for Vocabulary — The method adapted in the original sentence ladders.

For extended composition and essay practice, continue with the Year 13 Words for Essay Writing guide. For the broader collection that inspired this format, see 200 vocabulary words for a 12-year-old.

Explore the Years 1–13 Essential Word Packs

For all 26 vocabulary guides, help choosing a level and a practical study routine, open the Years 1–13 Vocabulary Study Guide.

Choose the closest learning stage, then adapt the pace to the learner. Years 1–9 build foundations, Years 10–11 support the usual IGCSE stage, and Years 12–13 continue into pre-university learning. School structures differ.

• Year 1 Essential Word Pack
• Year 2 Essential Word Pack
• Year 3 Essential Word Pack
• Year 4 Essential Word Pack
• Year 5 Essential Word Pack
• Year 6 Essential Word Pack
• Year 7 Essential Word Pack
• Year 8 Essential Word Pack
• Year 9 Essential Word Pack
• Year 10 Essential Word Pack
• Year 11 Essential Word Pack
• Year 12 Essential Word Pack
• Year 13: this Essential Word Pack

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