Artificial intelligent assistant

exercitant

exercitant
  (ɛgˈzɜːsɪtənt)
  [a. F. exercitant, ad. L. exercitant-em, pr. pple. of exercitāre, frequentative of exercēre to exercise: see exerce.]
  One who is engaged in spiritual exercises.

1858 Faber Life Xavier 465 He gave the spiritual exercises of his blessed father Ignatius; though generally speaking the exercitants were chiefly confined to the first week. 1890 Tablet 30 Aug. 356 The exercises were to lead the exercitant, to saintliness.

Oxford English Dictionary

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