The Collaborative International Dictionary of English v.0.48:

Impersonate \Im*per"son*ate\, 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