Source : Webster's Revised Unabridged Dictionary (1913)

Appetence \Ap"pe*tence\, n. [Cf. F. app['e]tence. See
   {Appetency}.]
   A longing; a desire; especially an ardent desire; appetite;
   appetency.

Source : WordNet®

appetence
     n : a feeling of craving something; "an appetite for life"; "the
         object of life is to satisfy as many appetencies as
         possible"- Granville Hicks [syn: {appetite}, {appetency}]