Artificial intelligent assistant

practicous

† ˈpracticous, a. Obs. rare—1.
  [f. L. practic-us practic + -ous.]
  Practical.

1683 E. Hooker Pref. Pordage's Mystic Div. 18 Not to mention speculativ Infidelitie, practicous Atheism, horrid Blasphemies, and all manner of Diabolism.

Oxford English Dictionary

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