Source : Webster's Revised Unabridged Dictionary (1913)

Personation \Per`son*a"tion\, n.
   The act of personating, or conterfeiting the person or
   character of another.

Source : WordNet®

personation
     n 1: imitating the mannerisms of another person [syn: {impersonation}]
     2: acting the part of a character on stage; dramaticially
        representing the character by speech and action and
        gesture [syn: {portrayal}, {characterization}, {enactment}]