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