Synonyms of applicative

1 Syllable
key, big
2 Syllables
grave, serious, pointful, vital, weighty
3 Syllables
germane, apropos, pertinent, essential, cardinal, momentous, primary, intrinsic, substantial, meaningful
4 Syllables
significant, fundamental, associable, applicable, consequential, apposite
5 Syllables
considerable, indispensable