Artificial intelligent assistant

accomplisher

accomplisher
  (əˈkɒmplɪʃə(r))
  [f. accomplish + -er1.]
  One who accomplishes; who carries out, completes, perfects; a finisher or perfecter.

1611 Cotgr., Parfaiseur, a perfecter, accomplisher, finisher. 1687 H. More Conject. Cabbal. (1713) Pref. 2 Such inspiration as this is no distracter from, but an accomplisher and an enlarger of the humane faculties.

Oxford English Dictionary

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