The Collaborative International Dictionary of English v.0.48:

Nutritive \Nu"tri*tive\, a. [Cf. F. nutritif.]
   Of or pertaining to nutrition; as, the nutritive functions;
   having the quality of nourishing; nutritious; nutrimental;
   alimental; as, nutritive food or berries.
   [1913 Webster]

   Nutritive plasma. (Biol.) See Idioplasma.

   Nutritive polyp (Zool.), any one of the zooids of a
      compound hydroid, or coral, which has a mouth and
      digestive cavity.
      [1913 Webster] -- Nu"tri*tive*ly, adv. --
      Nu"tri*tive*ness, n.
      [1913 Webster]

WordNet (r) 3.0 (2006):

nutritive
    adj 1: of or providing nourishment; "good nourishing stew" [syn:
           alimentary, alimental, nourishing, nutrient,
           nutritious, nutritive]