- reason
- noun1》 a cause, explanation, or justification.↘good or obvious cause to do something: we have reason to celebrate.↘Logic a premise of an argument in support of a belief, especially a minor premise given after the conclusion.2》 the power of the mind to think, understand, and form judgements logically.↘(one's reason) one's sanity.3》 what is right, practical, or possible.verb1》 think, understand, and form judgements logically.↘(reason something out) find a solution to a problem by considering possible options.2》 (reason with) persuade with rational argument.Phrasesby reason of formal because of.listen to reason be persuaded to act sensibly.it stands to reason it is obvious or logical.Derivativesreasoned adjectivereasoner nounreasonless adjective (archaic).OriginME: from OFr. reisun (n.), raisoner (v.), from a var. of L. ratio(n-), from reri 'consider'.UsageMany people object to the constructions the reason why … and the reason … is because, and feel that the phrasing the reason that … is more logical and elegant. However, all three expressions are generally accepted in standard English.
English new terms dictionary. 2014.