Here's what rhymes with gustative.
dative native iterative creative cooperative imitative oxidative vegetative educative radiative dissipative evaporative connotative nonnative cogitative annotative authoritative innovative qualitative collaborative associative meditative denotative legislative quantitative appreciative evaluative integrative deliberative dissociative regulative procreative copulative stimulative emulative investigative accumulative administrative interpretative manipulative rehabilitative unappreciative nonadministrative Words that almost rhyme with gustative
cages sages rages phages wadis wadges mutatis engages bellyaches macrophages disengages greengages reengages plaintive pervasive abrasive evasive invasive persuasive dissuasive unpersuasive nonabrasive noninvasive