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English definition of “attest”

attest

verb     /əˈtest/ formal
[T] LAW to sign a document to show that you were present when it was signed by someone else : The will must be attested by two witnesses . The statement was signed and attested by a high court judge .
[I] LAW to say officially that something is true or accurate : attest to doing sth Couples must attest to being in a committed relationship .attest to sth The commission demands that Chief Financial Officers personally attest to the accuracy of their financial statements .
[I] to show that something is true : attest to sth The decline in sales attests to the fact that the product is out of date .
attestation noun [C or U]
(Definition of attest verb from the Cambridge Business English Dictionary © Cambridge University Press)
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