attested

UK: /əˈtɛstɪd/

Collins Concise English Dictionary © HarperCollins Publishers::

attested / əˈtɛstɪd/ adjective

1. (of cattle, etc) certified to be free from a disease, esp from tuberculosis

WordReference Random House Learner's Dictionary of American English © 2025

at•test /əˈtɛst/   v. 

1. [~ + object] to bear witness to, esp. officially:
   I can attest the truth of her statement.
2. to give proof or evidence of: [~ + to + object]
   I can attest to her reliability.
   [~ + object]
   This essay attests your writing ability.

See -test-.

WordReference Random House Unabridged Dictionary of American English © 2025

at•test  (ə test′), v.t. 

1. to bear witness to; certify;
   declare to be correct, true, or genuine;
   declare the truth of, in words or writing, esp. affirm in an official capacity:
   to attest the truth of a statement.
2. to give proof or evidence of;
   manifest:
   His works attest his industry.
3. to put on oath.

v.i. 

4. to testify or bear witness (often fol. by to):
   to attest to the reliability of an employee.

n. 

5. [Archaic.] witness;
   testimony;
   attestation.

• Latin attestārī to bear witness to, equivalent. to at- at- + testārī (test(is) a witness + -ā- thematic vowel + -rī infinitive suffix)
• Middle French attester)
• (1590–1600

at•test′a•ble, adj. 
at•test′ant, n. 
at•test′er, at•tes′tor, at•tes•ta•tor  (ə tes′tā tər, at′e stā′-), n.  at•tes′tive, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::

attest / əˈtɛst/ verb

1. (transitive) to affirm the correctness or truth of
2. when intr, usually followed by to: to witness (an act, event, etc) or bear witness to (an act, event, etc) as by signature or oath
3. (transitive) to make evident; demonstrate
4. (transitive) to provide evidence for

Etymology: 16th Century: from Latin attestārī to prove, from testārī to bear witness, from testis a witness

atˈtestable adjective

atˈtestant, atˈtester, atˈtestor, atˈtestator noun

attestation / ˌætɛˈsteɪʃən/ noun