The Collaborative International Dictionary of English v.0.48:

Maleficiate \Mal`e*fi"ci*ate\, v. t. [LL. maleficiatus, p. p. of
   maleficiare to bewitch, fr. L. maleficium. See Malefice.]
   To bewitch; to harm. [Obs.] --Burton.
   [1913 Webster]