The Collaborative International Dictionary of English v.0.48:
Hedonistic \Hed`o*nis"tic\, a. Same as Hedonic, 2. [1913 Webster]WordNet (r) 3.0 (2006):
hedonistic adj 1: devoted to pleasure; "a hedonic thrill"; "lives of unending hedonistic delight"; "epicurean pleasures" [syn: hedonic, hedonistic, epicurean]