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