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