Artificial intelligent assistant

adeptist

aˈdeptist
  [f. adept a. + -ist.]
  A professed adept, a skilled alchemist.

1662 J. Chandler Helmont's Oriatrike 2 Hypocrates, a man of a most rare gift, and a partaker with the Adeptists. 1671 J. Webster Metallogr. i. 16 Lock'd up in the breasts of a few mystical authors or Adeptists. 1715 Kersey Adepts or Adeptists, the obtaining sons of art, who are said to have found out the grand elixir, commonly called the philosopher's stone.

Oxford English Dictionary

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