Synonyms of substantive

Noun

1. substantive, word

usage: any word or group of words functioning as a noun

Adjective

1. substantial, substantive, essential (vs. inessential)

usage: having a firm basis in reality and being therefore important, meaningful, or considerable; "substantial equivalents"

2. substantive (vs. adjective), essential

usage: defining rights and duties as opposed to giving the rules by which rights and duties are established; "substantive law"

3. meaty, substantive, meaningful (vs. meaningless)

usage: being on topic and prompting thought; "a meaty discussion"

Definition and meaning of substantive (Dictionary)