Artificial intelligent assistant

authenticated

auˈthenticated, ppl. a.
  [f. authenticate v. + -ed.]
  Invested with authority, validity, correctness, truth, genuineness; certified.

1846 Geo. Eliot tr. Strauss's Life of Jesus I. i. iv. §32. 203 It is an authenticated point that the assessment..did not take place..under Herod. 1862 Dana Man. Geol. 605 Authenticated instances of this are wanting. 1874 Boutell Arms & Arm. ii. 10 Unfounded conjectures in place of authenticated facts.

Oxford English Dictionary

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