Definition of reasonable in English:

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Pronunciation: /ˈrēz(ə)nəb(ə)l/


1(Of a person) having sound judgment; fair and sensible: no reasonable person could have objected
More example sentences
  • They created a problem for Ms. Young, though, since they made me sound intelligent and reasonable.
  • It was a sensible, reasonable, rational group.
  • He speaks with a heavy Yorkshire accent and he peppers his talk with ‘quite’ which makes him sound extremely reasonable.
sensible, rational, logical, fair, fair-minded, just, equitable;
intelligent, wise, levelheaded, practical, realistic;
sound, reasoned, well reasoned, valid, commonsensical;
tenable, plausible, credible, believable
1.1Based on good sense: it seems a reasonable enough request the guilt of a person on trial must be proved beyond reasonable doubt
More example sentences
  • Peter is correct, in the sense that it's reasonable to discuss defense spending.
  • The comments to the caregiver were neither fair, nor reasonable, nor moderate.
  • It would not now be appropriate or reasonable to introduce such a requirement,’ he added.
1.2 archaic (Of a person or animal) able to think, understand, or form judgments by a logical process: man is by nature reasonable
More example sentences
  • He says that because of the Aristotelian sense, he thinks he is "a reasonable animal".
  • Man is a reasonable animal, but he is reasonable in ways that even he cannot easily fathom.
2As much as is appropriate or fair; moderate: a police officer may use reasonable force to gain entry
More example sentences
  • Classed as moderate requiring a reasonable level of fitness, it covers 53 km and is available from October this year to April.
  • That decision reflects a reasonable economy of force, especially as the necessary points are clearly illustrated in the battle narratives.
  • Whereas a rate of intervention that is appropriate or reasonable is unknown, there are no obvious clinical reasons for intervention rates to be higher in private than in public patients.
within reason, practicable, sensible;
appropriate, suitable
2.1Fairly good; average: the carpet is in reasonable condition
More example sentences
  • The legitimate authority and reasonable chance of success conditions look problematic, ruling out most wars of liberation and wars of heroic sacrifice.
  • I am not satisfied that the appellant has any reasonable chance of success if allowed to proceed with the appeal.
  • All they are asking is for regular competitive games especially during the summer months, these competitions are structured in such a way that they can have a reasonable chance of success.
fairly good, acceptable, satisfactory, average, adequate, fair, all right, tolerable, passable
informal OK
2.2(Of a price or product) not too expensive: a restaurant serving excellent food at reasonable prices they are lovely shoes and very reasonable
More example sentences
  • Collectively, we have managed to deliver expensive fish at a reasonable price while at the same time generating significant revenues for stakeholders.
  • The 22-year-old company's basic principle is to develop new, simple products at reasonable prices by making the best use of the materials.
  • It's a reasonable price for the product.
inexpensive, moderate, low, cheap, budget, bargain, downmarket;


Middle English: from Old French raisonable, suggested by Latin rationabilis 'rational', from ratio (see reason).

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Syllabification: rea·son·a·ble

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