noun
Refers to the principle of strict adherence to law or the quality of being constitutional. Often used in political or legal contexts.
その政策の合法主義が裁判で争われた。
The constitutionality of the policy was disputed in court.
彼は合法主義を重んじる政治家だ。
He is a politician who values legalism.
Compound of 合法 (legal) + 主義 (principle, doctrine).