Artificial intelligent assistant

facient

facient, n. rare.
  (ˈfeɪʃ(ɪ)ənt)
  [ad. L. facient-em, pr. pple. of facĕre to do, make.]
  One who does anything; an actor or doer.

a 1670 Hacket Abp. Williams i. §77 (1693) 66 Is Sin in the Fact or in the Mind of the Facient? 1821 Coleridge in Blackw. Mag. X. 250 The shape beheld he would grant to be a making in the beholder's own brain; but the facient, he would contend, was a several and other subject.

Oxford English Dictionary

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