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