Source : Webster's Revised Unabridged Dictionary (1913)

Hedonistic \Hed`o*nis"tic\, a.
   Same as {Hedonic}, 2.

Source : WordNet®

hedonistic
     adj : devoted to pleasure; "a hedonic thrill"; "lives of unending
           hedonistic delight"; "epicurean pleasures" [syn: {hedonic},
            {epicurean}]