The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]