Synonyms of causative

2 Syllables
adroit, causal, gifted, fruitful, teeming
3 Syllables
fertile, artistic, demiurgic, ingenious, inspired, poetical
4 Syllables
resourceful, productive, deviceful, constructive, forgetive, inventive, formative, original, avant-garde
5 Syllables
generative, innovational, innovatory, innovative
6 Syllables
imaginative, originative