noun, noun or participle which takes 'suru', intransitive verb
constitutional change; constitutional revision
Refers to amending or revising a constitution, especially in political discourse. Often used with する to mean 'to amend the constitution'.
与党は改憲を目指している。
The ruling party is aiming for constitutional revision.
改憲には国民投票が必要
A national referendum is necessary for constitutional amendment.