English Reference

Word

reasonable

Phoneticsrea·son·able

US/ˈɹizənəbəɫ/

UK/ɹˈiːzənəbəl/

Definitions

01fair and sensible

B1 · Intermediate

adj. fair, practical, and based on good judgment.

adj. governed by or being in accordance with sound judgment or logic.

“It seems reasonable to ask for a refund if the product is broken.”

“The manager took a reasonable approach to the dispute, listening to both sides before making a final decision.”

02not expensive

B1 · Intermediate

adj. having a price that is fair and not too high.

adj. inexpensive or moderately priced; not exceeding a limit that a buyer would consider fair.

“The restaurant serves great food at a very reasonable price.”

“Despite its central location, the hotel offers reasonable rates that appeal to budget-conscious travelers.”

03acceptable or good enough

B2 · Upper Intermediate

adj. good enough in quality or amount, even if it is not perfect.

adj. satisfactory or mediocre in quality; sufficient to meet a basic standard.

“He has a reasonable chance of winning the race if he stays focused.”

“The student showed a reasonable level of competence in the subject, though her advanced analytical skills still require development.”

Antonyms

04rational

C1 · Advanced Formal

adj. able to think clearly and use logic.

adj. possessing the faculty of reason; capable of rational thought.

“Any reasonable person would see that this plan cannot work.”

“The legal standard of the 'reasonable person' is used to determine whether a defendant acted with appropriate caution.”

Synonyms

Antonyms

Collocations

Common phrases and expressions where native English speakers use the word “reasonable” in context.

Verb

01. reach a reasonable compromise

“After hours of negotiation, both parties managed to reach a reasonable compromise.”

verb + adj + noun

02. seem reasonable

“The manager's explanation for the delay seemed reasonable to the rest of the team.”

verb + adj

03. sound reasonable

“Your suggestion to split the costs sounds reasonable, so let's go with that.”

verb + adj

Adjective

04. perfectly reasonable

“It is perfectly reasonable to ask for a refund if the product is faulty.”

adv + adj

05. reasonable doubt

“The jury was instructed to acquit the defendant if there was any reasonable doubt about his guilt.”

adj + noun

06. reasonable price

“The hotel was clean and offered a very reasonable price for a room in the city center.”

adj + noun

07. reasonable to assume

“It is reasonable to assume that the traffic will be heavy during the holiday weekend.”

adj + infinitive

Preposition

08. within reasonable limits

“You can decorate your office however you like, as long as it stays within reasonable limits.”

prep + adj + noun

09. reasonable grounds

10. reasonable prospect

Real-World Examples

“To go ahead with a change of use under the new rules, developers will need to provide evidence that there is no reasonable prospect of keeping a pub business running.”
BBC News 16 Aug 2026
“Under the changes, developers will have to prove there is no reasonable prospect of keeping a pub as a going concern, including evidence that it was marketed for sale for at least a year.”
The Guardian 16 Aug 2026
“Thomas, like many others who have contacted the British in Sweden group, believes she had “reasonable grounds” for her late application.”
The Guardian 15 Aug 2026

Etymology

From Middle English resonable, from Old French resnable, from Classical Latin ratiōnābilis, from ratiō. By surface analysis, reason + -able. Doublet of rationable.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

reasonable(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

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