Source : Webster's Revised Unabridged Dictionary (1913)

Unify \U"ni*fy\, v. t. [imp. & p. p. {Unified}; p. pr. & vb. n.
   {Unifying}.] [Uni- + -fy: cf. F. unifier.]
   To cause to be one; to make into a unit; to unite; to view as
   one.

         A comprehensive or unifying act of the judging faculty.
                                                  --De Quincey.

         Perception is thus a unifying act.       --Sir W.
                                                  Hamilton.

Source : WordNet®

unifying
     adj 1: combining into a single unit [syn: {consolidative}]
     2: tending to unify [syn: {centripetal}, {unifying(a)}]