constitutionality

noun | \ ˌkän-stə-ˌtü-shə-ˈna-lə-tē, -ˌtyü- \ | con·sti·tu·tion·al·i·ty

1. : the quality or state of being constitutional; especially : conformity with the provisions of a constitution questioned the constitutionality of the income tax : conformity with the provisions of a constitution questioned the constitutionality of the income tax