Artificial intelligent assistant

personator

personator
  (ˈpɜːsəneɪtə(r))
  Also 7 -er.
  [agent-n. from personate v.: suffix orig. Eng., subseq. Latin.]
  One who personates (in various senses).

1608 B. Jonson Hue & Cry Cupid Pref., Expressing..a most reall affection in the personaters, to those, for whose sake they would sustayne these persons. 1654 Gayton Pleas. Notes iii. xi. 144 Passions conterfieted long..have so alter'd the personaters. 1863 Lytton Caxtoniana II. 160 In the drama William Tell is the personator of the Swiss liberties. 1872 E. W. Robertson Hist. Ess. 187 Was he a personator of the betrayed ætheling?

Oxford English Dictionary

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