The Collaborative International Dictionary of English v.0.48:
acculturative \acculturative\ adj. 1. of or pertaining to acculturation (definition 3). Syn: acculturational [WordNet 1.5]WordNet (r) 3.0 (2006):
acculturative adj 1: of or relating to acculturation [syn: acculturational, acculturative]