The Collaborative International Dictionary of English v.0.48:

Personate \Per"son*ate\, v. i.
   To play or assume a character.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Personate \Per"son*ate\, a. [L. personatus masked.] (Bot.)
   Having the throat of a bilabiate corolla nearly closed by a
   projection of the base of the lower lip; masked, as in the
   flower of the snapdragon.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Personate \Per"son*ate\, v. t. [imp. & p. p. Personated; p.
   pr. & vb. n. Personating.] [L. personare to cry out, LL.,
   to extol. See Person.]
   To celebrate loudly; to extol; to praise. [Obs.]
   [1913 Webster]

         In fable, hymn, or song so personating
         Their gods ridiculous.                   --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Personate \Per"son*ate\, v. t. [L. personatus masked, assumed,
   fictitious, fr. persona a mask. See Person.]
   1. To assume the character of; to represent by a fictitious
      appearance; to act the part of; to impersonate[3]; hence,
      to counterfeit; to feign; as, he tried to personate his
      brother; a personated devotion. --Hammond.
      [1913 Webster]

   2. To set forth in an unreal character; to disguise; to mask.
      [R.] "A personated mate." --Milton.
      [1913 Webster]

   3. To personify; to typify; to describe. --Shak.
      [1913 Webster]

WordNet (r) 3.0 (2006):

personate
    v 1: pretend to be someone you are not; sometimes with
         fraudulent intentions; "She posed as the Czar's daughter"
         [syn: pose, impersonate, personate]
    2: attribute human qualities to something; "The Greeks
       personated their gods ridiculous" [syn: personify,
       personate]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "personate":
   act, act a part, act as, act out, adumbrate, ape, body forth, copy,
   create a role, demonstrate, depict, do, embody, enact, exemplify,
   figure, foreshadow, illustrate, image, impersonate, incarnate,
   masquerade as, mime, mimic, mirror, pantomime, pass for, perform,
   personify, play, play a part, play a role, play opposite, portray,
   pose as, prefigure, pretend to be, pretypify, project, realize,
   reflect, represent, shadow, shadow forth, support, sustain a part,
   take a part, take off