Source : Webster's Revised Unabridged Dictionary (1913)

Juxtapose \Jux`ta*pose"\, v. t. [Cf. {Juxtaposit}, {Pose}.]
   To place in juxtaposition. --Huxley.

Source : WordNet®

juxtapose
     v : place side by side; "The fauvists juxtaposed strong colors"