Source : Webster's Revised Unabridged Dictionary (1913)

Hypostatize \Hy*pos"ta*tize\, v. t.
   1. To make into, or regarded as, a separate and distinct
      substance.

            Looked upon both species and genera as hypostatized
            universals.                           --Pop. Sci.
                                                  Monthly.

   2. To attribute actual or personal existence to. --Sir W.
      Hamilton.

Source : WordNet®

hypostatize
     v : construe as a real existence, of a conceptual entity [syn: {hypostatise}]