The Collaborative International Dictionary of English v.0.48:

Orectic \O*rec"tic\, a. [Gr. 'orektiko`s, fr. 'o`rexis, yearning
   after, from 'ore`gein to reach after.] (Philos.)
   Of or pertaining to the desires; hence, impelling to
   gratification; appetitive.
   [1913 Webster]