Artificial intelligent assistant

regracy

reˈgracy, v. Obs. rare.
  [ad. OF. regracier, med.L. regrātiāre: see re- and grace v.]
  trans. To thank, give thanks to (one).

1483 Caxton Gold. Leg. 438/2 Thus the creature shal mowe thanke and regracye god by deuoute contemplacion. c 1500 Melusine 23, I oughte to preyse to thanke and to regracy the hertily in thy highe mageste.

Oxford English Dictionary

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