Source : Webster's Revised Unabridged Dictionary (1913)

Acceptability \Ac*cept`a*bil"i*ty\, n. [LL. acceptabilitas.]
   The quality of being acceptable; acceptableness.
   ``Acceptability of repentance.'' --Jer. Taylor.

Source : WordNet®

acceptability
     n : satisfactoriness by virtue of conforming to approved
         standards [syn: {acceptableness}] [ant: {unacceptability}]