Artificial intelligent assistant

masterliness

masterliness
  (ˈmɑːstəlɪnɪs)
  [f. masterly a. + -ness.]
  The quality of being masterly.

1721 Wodrow Corr. (1843) II. 590 He can lay claim to little masterliness in eloquence, who knows not how to handle his subject elegantly. 1838 J. Sterling Ess., etc. (1848) I. 245 The thorough masterliness of the style. 1865 Ch. Times 21 Oct. 332/2 Lord Palmerston..submitted his natural good judgement to the pretended masterliness of him with the phylacteries.

Oxford English Dictionary

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