Artificial intelligent assistant

enigmatist

eˈnigmatist Obs.
  [ad. L. ænigmatista, ad. Gr. αἰνιγµατιστ-ής, f. αἴνιγµα enigma.]
  a. A writer of enigmas. b. One who speaks enigmatically.

1621 Ainsworth Annot. Pentat. Num. xxi. 27 In Greeke, ænigmatists, they that speake riddles. 1710 Addison Whig-Exam. i. ¶3, I shall deal more ingenuously with my Readers than the above-mentioned Enigmatist has done.

Oxford English Dictionary

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