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reason noun

  /ˈɹiːzən/
  • (uncountable) Rational thinking (or the capacity for it); the cognitive faculties, collectively, of conception, judgment, deduction and intuition.
ум, ра́зум, рассу́док
  • An excuse: a thought or a consideration offered in support of a determination or an opinion; that which is offered or accepted as an explanation.
основа́ние, по́вод, причи́на, до́вод, моти́в, резо́н
  • That which causes something: an efficient cause, a proximate cause.
причи́на, причина
  • (obsolete) Something reasonable, in accordance with thought; justice.
резо́нность

reasonable adjective

  /ˈɹiː.zən.ə.bəl/ , /ˈɹiːz.nə.bəl/ , [ˈɹɪiz.nə.bəl]
  • Not expensive; fairly priced.
за [[разумный|разу́мную]] [[цена|це́ну]], недорого́й
  • Just; fair; agreeable to reason.
разу́мный
  • Satisfactory.
удовлетвори́тельный

reasonableness

обоснованность

reason verb

  /ˈɹiːzən/
  • (intransitive) To perform a process of deduction or of induction, in order to convince or to confute; to argue.
проду́мать
  • (intransitive) To deduce or come to a conclusion by being rational
рассужда́ть

reasonability

целесообразность

reasoner

резонёр

reasoning noun

  /ˈɹiːzənɪŋ/
  • (uncountable) The deduction of inferences or interpretations from premises, abstract thought, ratiocination; (countable) any instance of this, especially as a process leading to an action, motive.
рассужде́ние, аргумента́ция

reasonably adverb

  /ˈɹiː.zən.ə.bli/ , /ˈɹiːz.nə.bli/
  • In accordance with reason.
разу́мно
  • Quite; fairly; satisfactorily.
справедли́во
  • Fairly; satisfactorily; not extremely.
уме́ренно
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