The Collaborative International Dictionary of English v.0.48:

Volatilize \Vol"a*til*ize\, v. t. [imp. & p. p. Volatilized;
   p. pr. & vb. n. Volatilizing.] [Cf. F. volatiliser.]
   To render volatile; to cause to exhale or evaporate; to cause
   to pass off in vapor.
   [1913 Webster]

         The water . . . dissolving the oil, and volatilizing it
         by the action.                           --Sir I.
                                                  Newton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

volatilize
    v 1: make volatile; cause to pass off in a vapor [syn:
         volatilize, volatilise]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "volatilize":
   aerate, aerify, atomize, attenuate, blow off, carbonate,
   cast forth, chlorinate, clear away, dilute, dispel, dissipate,
   dissolve, distill, drive away, emit, etherify, etherize, evaporate,
   exhale, fluidize, fractionate, fume, fumigate, gasify, give off,
   hydrogenate, oxygenate, perfume, reek, send out, smoke, spray,
   steam, sublimate, sublime, thin, thin out, vaporize