正せい当とう性せい

noun, noun which may take the genitive case particle 'no'

legitimacy; validity; justifiability

Refers to the quality of being legally, morally, or logically justified. Used in formal, legal, and everyday contexts to question or assert the rightness of an action, claim, or decision.

• その政せい策さくの正せい当とう性せいが問とわれている。

  The legitimacy of that policy is being questioned.

• 彼かれの主しゅ張ちょうには正せい当とう性せいがない。

  His claim lacks validity.

• 正せい当とう性せいのある理り由ゆうを説せつ明めいしてください。

  Please explain a justifiable reason.