demonize

from WordNet (r) 3.0 (2006)

demonize
    v 1: make into a demon; "Power had demonized him" [syn:
         {demonize}, {demonise}]

from The Collaborative International Dictionary of English v.0.48

Demonize \De"mon*ize\, v. t. [imp. & p. p. {Demonized}; p. pr. &
   vb. n. {Demonizing}.] [Cf. LL. daemonizare to be possessed by
   a demon, Gr. ?.]
   1. To convert into a demon; to infuse the principles or fury
      of a demon into.
      [1913 Webster]

   2. To control or possess by a demon.
      [1913 Webster]