Synonyms of constitutive

1 Syllable
main, key
2 Syllables
right-hand, righthand, grass-roots, grassroots, basic, vital, needful
3 Syllables
important, essential, cardinal, integral, intrinsic, life-or-death
4 Syllables
fundamental, substrative, coal-and-ice, name-of-the-game
5 Syllables
constitutional, axiological