Source : Webster's Revised Unabridged Dictionary (1913)

Palatableness \Pal"a*ta*ble*ness\, n.
   The quality or state of being agreeable to the taste; relish;
   acceptableness.

Source : WordNet®

palatableness
     n : the property of being acceptable to the mouth [syn: {palatability}]
         [ant: {unpalatability}]