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reason

/ˈɹiːzən/

他動詞自動詞[C/U] 両方
複数形: reasons過去形: reasoned過去分詞: reasoned現在分詞: reasoning

The word operates on two distinct planes: the intellectual faculty (the 'engine' of logic) and the causal justification (the 'why' behind an act). When referring to the mental capacity, it carries a connotation of stability and objectivity. It is often contrasted with 'emotion' or 'instinct,' suggesting a disciplined, structured approach to thinking. As a justification, it serves as the bridge between an action and its purpose. While similar to 'cause,' 'reason' usually implies a conscious intent or a logical explanation rather than a mere physical trigger. In its verbal form, there is a subtle tension between internal processing ('reasoning through') and interpersonal negotiation ('reasoning with'). The latter often implies a struggle against someone's irrationality or emotional state.

Countable when referring to a specific motive or justification ('I have one good reason for leaving'). Uncountable when referring to the mental faculty of logic and sanity ('He has lost his reason').

意味

名詞

The power of the mind to think, understand, and form judgments by a process of logic.

"Humans are distinguished from other animals by their capacity for reason."

名詞

A cause, explanation, or justification for an action or event.

"There is no reason to believe that the project will fail."

他動詞

To think, understand, and form judgments by a process of logic about something.

"The detective attempted to reason out the mystery using the available clues."

自動詞

To persuade someone to do something or accept a point of view through logical argument.

"She tried to reason with him, but he was too angry to listen."

関連語

Last Updated: May 31, 2026Report an Error