Artificial intelligent assistant

negatory

negatory, a.
  (ˈnɛgətərɪ)
  Also 6 7 -orie.
  [ad. F. négatoire or late L. negātōri-us: see negate v. and -ory.]
  Of the nature of negation.

1580 Hollyband Treas. Fr. Tong. Negatoire, vne action negatoire, a negatorie action. 1611 Cotgr., Negatoire, negatorie, inficiatorie, negatiue, denying. [Hence in Blount, Phillips, and Bailey.] 1827 Carlyle Germ. Rom. III. 86, I on the morrow must overcloud her arrival..by my negatory intelligence. 1850 Thackeray Let. in Westm. Gaz. (1902) 10 July 4/3 A negatory nod of his honest..old head. 1877 Morley Crit. Misc. Ser. ii. 362 Mere aggressive and negatory criticism.

Oxford English Dictionary

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