diabolize

verb (used with object), di·ab·o·lized, di·ab·o·liz·ing.

1. to make diabolic or devilish.
2. to represent as diabolic.
3. to subject to diabolic influences.

verb (tr)

1. 1. to make (someone or something) diabolical
   2. to subject to the influence of devils
2. to portray as diabolical