Artificial intelligent assistant

nimble-witted

nimble-witted, a.
  Quick-witted.

1613–16 W. Browne Brit. Past. ii. v, The nimble-witted Mercury. 1687 Settle Refl. Dryden 84 What cannot a nimble witted Commentatour find out. 1879 C. Rossetti Seek & Find 198 Many nimble-witted individuals of our lesser sex. 1899 Q. Rev. Apr. 459 The nimble-witted Voltaire. 1922 V. Woolf Jacob's Room iv. 86 The talkative, nimble-witted people have taken themselves to towns.

Oxford English Dictionary

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