► 形容動詞正当 [せいとう] [liter]
meaning: just rank: 2☆ 正当な
理由 ⇨ A just, fair, morally correct, reason
More examples:- 彼は理屈を並べ立てて自分を正当化しようとした ⇨ He listed out all the logics to justify himself
- 彼は正当防衛で相手を負傷させたと主張した ⇨ He claimed he injured the other party in self-defense
- 彼は自分の失敗を正当化しようとした ⇨ He tried to justify his mistake
- 国民は正当な法手続き無しに罰せられない ⇨ The citizens won’t be punished without due process of law