The Collaborative International Dictionary of English v.0.48:
gustative \gust"a*tive\ gustatorial \gus`ta*to"ri*al\adj. of or pertaining to taste. Syn: gustatory. [WordNet 1.5]WordNet (r) 3.0 (2006):
gustatorial adj 1: of or relating to gustation [syn: gustatory, gustative, gustatorial]