Artificial intelligent assistant

well-laboured

well-ˈlaboured, ppl. a.
  Skilfully wrought or elaborated; thoroughly tilled.

1708 J. Philips Cyder i. 343 When they to the vocal Shell Warble melodious their well-labour'd Songs. 1718 Pope Iliad xxiv. 287 A large, well-labour'd bowl. 1835 Ure Philos. Manuf. 41 Lancashire is the fertile and well-laboured soil in which the seed of factory knowledge will bring forth fruit one hundred fold.

Oxford English Dictionary

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