Source : Webster's Revised Unabridged Dictionary (1913)

Universalize \U`ni*ver"sal*ize\, v. t. [imp. & p. p.
   {Universalized}; p. pr. & vb. n. {Universalizing}.] [Cf. F.
   universaliser.]
   To make universal; to generalize. --Coleridge.

Source : WordNet®

universalize
     v : make universal; "This author's stories unversalize old
         themes" [syn: {universalise}]