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