Attest

/əˈtɛst/

Meaning & Definition

verb

to affirm to be true or genuine; to give proof of.

The scientist can attest to the validity of the results obtained through the experiment.

to bear witness; to affirm by or as if by signing a document.

Several witnesses were called to attest to the authenticity of the signature.

to provide clear evidence of.

Her accomplishments in the field attest to her remarkable talent and dedication.

Middle English: from Latin attestari, from ad- 'to' + testari 'to witness'.

attest to something

To provide evidence or proof for something.

attest in a court

To give formal testimony in a legal setting.

can attest to

Used to express that someone has personal knowledge of something and can confirm it.

testify

To give evidence as a witness in a court.

evidence

That which tends to prove or disprove something.

To back someone up.

I can attest for him; he's a great worker.

To validate a claim.

This contract attests that I owe you the money.