Artificial intelligent assistant

attested

attested, ppl. a.
  (əˈtɛstɪd)
  [f. attest v. + -ed.]
  a. Sworn, vouched for, certified, proved.

1611 Cotgr., Attesté, attested, protested, avouched, affirmed. 1711 F. Fuller Med. Gymn. 86 Its effects..are numerous, and some of 'em very well attested. 1873 Tristram Moab vii. 116 An attested friend of these gentlemen.

  b. Of cattle or milk: approved by authority as free from disease.

1934 Hansard Commons CCXC. 1131 Our programme providing..for the payment of premiums to attested herds should..bring us perhaps 1,000 herds in the first year.

Oxford English Dictionary

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