Artificial intelligent assistant

sigillation

sigillation
  (sɪdʒɪˈleɪʃən)
  [See sigillate v. and -ation.]
  The action of sealing; the fact of being sealed; the impression of a seal.

1642 R. C. Union Christ & Ch. 4 That which..receiveth the Sigillation here below is like to the Shape and Forme of those things above. 1657 Tomlinson Renou's Disp. 132 This..impressed form or sigillation is of little moment. 1802–12 Bentham Ration. Judic. Evid. (1827) II. 462 Since the art of writing has become comparatively common, sigillation, in the character of a source of real evidence, has gone completely out of use. 1840 G. S. Faber Prim. Doctr. Regen. 70 Its outward sigillation or official ratification is the ordinance of Baptism.

Oxford English Dictionary

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