[1] : The Collaborative International Dictionary of English v.0.48

impersonate \imper"sonate\, v. t. imp.  p. p.
   impersonated; p. pr.  vb. n. impersonating.
   1. to invest with personality; to endow with the form of a
      living being.
      1913 webster

   2. to ascribe the qualities of a person to; to personify.
      1913 webster

   3. to assume, or to represent, the person or character of; to
      personate; as, he impersonated macbeth.
      1913 webster

            benedict impersonated his age.        --milman.
      impersonation
see also:
impersonated impersonating 

[2] : WordNet (r) 2.0

impersonate
     v 1: assume or act the character of; "she impersonates madonna";
          "the actor portrays an elderly, lonely man" syn: portray
     2: represent another person with comic intentions
     3: pretend to be someone you are not; sometimes with fraudulent
        intentions; "she posed as the czar's daughter" syn: pose,
         personate
see also:
portray pose personate 

[3] : Moby Thesaurus II by Grady Ward, 1.0

57 moby thesaurus words for "impersonate":
   act, act a part, act as, act out, adumbrate, ape, body forth, copy,
   copycat, create a role, demonstrate, depict, discourse, do, embody,
   enact, exemplify, figure, foreshadow, hit off, hit off on,
   illustrate, image, incarnate, make false pretenses, masquerade as,
   mime, mimic, mirror, mock, pantomime, parrot, pass for, perform,
   personate, personify, play, play a part, play a role,
   play opposite, playact, portray, pose as, prefigure, pretend to be,
   pretypify, project, realize, reflect, represent, shadow,
   shadow forth, support, sustain a part, take a part, take off,
   take off on

Impersonate >> I Words
Impersonate, definition of term: Impersonate
impersonate_pag1.html