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