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