Artificial intelligent assistant

complementalness

compleˈmentalness
  [See -ness.]
  The quality of being complemental, or (formerly) complimental.

1657 S. W. Schism Dispach't 164 Altering from plainess to complementalness. Ibid. 371 Nor can we imagin that our Saviour taught his Disciples that complementalnes as to sit constantly in their ranks at meat. a 1660 Hammond Wks. II. 292 (R.) Complementalness, as opposed to plainness, must signifie giving titles of civility, that really do not belong to those, to whom they are thus given.

Oxford English Dictionary

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