Artificial intelligent assistant

extravage

exˈtravage, v. Obs. rare.
  Also aphet. stravaig.
  [ad. med.L. extrāvagārī: see extravagate.]
  intr. a. To go beyond the sphere of duty; to digress. b. To talk wildly, to ramble.

c 1690 Tarbat in Story W. Carstares xi. 198 Churchmen kept to the ministerial function, without extravaging on their fanciful jurisdiction. 1759 Fountainhall Decisions I. 137 The Duke of Albany..extravaged so that, etc.

Oxford English Dictionary

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