Definify.com
Webster 1913 Edition
Hedonic
He-don′ic
,Adj.
 [Gr. [GREEK], fr. [GREEK] pleasure, [GREEK] sweet, pleasant.] 
1. 
Pertaining to pleasure. 
2. 
Of or relating to Hedonism or the Hedonic sect. 
Hedonic sect 
a sect that placed the highest good in the gratification of the senses, – called also 
 Cyrenaic sect
, (which see), and School of Aristippus
.