Source : Webster's Revised Unabridged Dictionary (1913)

Acceptant \Ac*cept"ant\, a.
   Accepting; receiving.

Acceptant \Ac*cept"ant\, n.
   An accepter. --Chapman.

Source : WordNet®

acceptant
     adj : accepting willingly; "acceptive of every new idea"; "an
           acceptant type of mind" [syn: {acceptive}]