The Collaborative International Dictionary of English v.0.48:

Donative \Don"a*tive\, n. [L. donativum, fr. donare: cf. F.
   donatif. See Donate.]
   1. A gift; a largess; a gratuity; a present. "The Romans were
      entertained with shows and donatives." --Dryden.
      [1913 Webster]

   2. (Eccl. Law) A benefice conferred on a person by the
      founder or patron, without either presentation or
      institution by the ordinary, or induction by his orders.
      See the Note under Benefice, n., 3.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Donative \Don"a*tive\, a.
   Vested or vesting by donation; as, a donative advowson.
   --Blackstone.
   [1913 Webster]