Artificial intelligent assistant

irrigative

irrigative, a.
  (ˈɪrɪgeɪtɪv)
  [f. as irrigate v. + -ive.]
  Serving to irrigate; of or pertaining to irrigation.

1861 Jrnl. R. Agric. Soc. XXII. ii. 443 Many irrigative canals. 1887 W. G. Palgrave Ulysses 158 Mr. Fergusson does not err in assigning the palm of irrigative skill to the Turanian races.

Oxford English Dictionary

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