Artificial intelligent assistant

executer

executer
  (ˈɛksɪkjuːtə(r))
  [f. execute v. + -er1.]
  One who executes; = executor 1.

1532–3 Act 24 Hen. VIII, c. 12 §4 Euerye suche personne..so doynge, and their fauctours..procurers, executers, and counsaylours. a 1677 Barrow Wks. (1741) I. 119 The executers of his edicts. a 1734 Dennis (J.), Sophocles and Euripides, in their most beautiful Pieces, are impartial executers of poetick justice. 1837 Marryat Dog-Fiend iv, An obedient executer of all his tyranny.

Oxford English Dictionary

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