合 理 性(ごうりせい)

ごうりせい

noun

rationality; reasonableness

1. rationality; reasonableness

The quality of being based on clear thinking and reason; logical soundness.

決定(けってい)の合理性(ごうりせい)を説明(せつめい)する。

To explain the rationality of the decision.

合理性(ごうりせい)のある判断(はんだん)だ。

It's a reasonable judgment.

経済的(けいざいてき)合理性(ごうりせい)を追求(ついきゅう)する。

To pursue economic rationality.

合理性(ごうりせい) refers to the quality of being based on reason and logic. It's commonly used in academic, business, and formal contexts to evaluate decisions or arguments.

COMMON COLLOCATIONS:

合理性(ごうりせい)がある: to be rational/reasonable
合理性(ごうりせい)に欠(か)ける: to lack rationality
合理性(ごうりせい)を問(と)う: to question the rationality
経済的(けいざいてき)合理性(ごうりせい): economic rationality

WORD FORMATION:
合理(ごうり) (rational) + 性(せい) (quality/nature) = rationality

RELATED TERMS:

合理的(ごうりてき): rational (na-adjective)
論理性(ろんりせい): logicality
妥当性(だとうせい): validity, appropriateness

Related Words

Related: 合理的(ごうりてき) (rational (na-adj.))

Related: 合理(ごうり) (rationality (base))

Synonym: 論理性(ろんりせい) (logicality)

Synonym: 妥当性(だとうせい) (validity)

general

Added 2026.1.16 18:49 · Revised 2026.6.9 1:08

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