Artificial intelligent assistant

ceremoniary

cereˈmoniary Obs.
  [on L. type cærimōniārium: see -ary1 B. 2, and cf. antiphonary, breviary, etc.]
  A directory or rule of ceremony.

1567 J. Jewel Def. Apol. (1611) 593 Your owne Ceremoniarie of Rome telleth you, that Abbats haue right..to determine and subscribe in Councell, as well as Bishops.

Oxford English Dictionary

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