English Reference

Word

reasonably

Phoneticsrea·son·ably

US/ˈɹizənəbɫi/

UK/ɹˈiːzənəbli/

Adverb of degree

Definitions

01fairly or quite

B1 · Intermediate

adv. to a degree that is good enough or satisfactory, but not excellent.

adv. to a moderate or satisfactory degree; used as a submodifier to indicate a standard that is acceptable but not exceptional.

“The hotel was reasonably priced and very close to the train station.”

“Although the report was reasonably thorough, the board requested additional data regarding the long-term environmental impact of the project.”

Usage

Typically placed before the adjective or adverb it modifies.

02logically or fairly

B2 · Upper Intermediate

adv. in a way that is fair, sensible, or based on good reasons.

adv. in a logical, sensible, or fair manner; in accordance with sound judgement.

“You can't reasonably expect him to finish all this work by tomorrow morning.”

“The judge argued that a person could not reasonably have been expected to foresee such a rare and catastrophic technical failure.”

Usage

Often used with verbs of expectation, thought, or action.

Antonyms

irrationallyunfairly

Collocations

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

Adjective

01. reasonably accurate

“The weather forecast was reasonably accurate, though it rained slightly earlier than expected.”

adv + adj

Real-World Examples

“From that, it reasonably follows that the more individuals agree, the more likely the group is to be right.”
Phys.org 5 Sept 2026
“If the “night” – death – is so “good” then why, asks Eagleton reasonably, would Thomas want his dad to dawdle?”
The Guardian 3 Sept 2026

Etymology

From Middle English resonably, equivalent to reasonable + -ly.

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

Word family

ADVERB

reasonably(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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English Reference