personative

/ˈpɜːrsəneɪtɪv/
adjective
  1. Relating to or involving the act of pretending to be someone else.
    • The police studied personative behavior to catch identity thieves.
    • Her personative performance in the courtroom drama was very convincing.
    • The actor's personative skills made the audience believe he was the real king.
Synonyms
What does "personative" mean? | whatsthatwordmean | whatsthatwordmean