EN

Synonyms for attest

23 synonyms
1 antonym
1 meaning

verb

Most common

vouch bear witness certify evidence

All synonyms

Verb

1. Vouch

vouch, bear witness, certify, evidence, demonstrate, testify, prove, support, corroborate, witness, confirm, suggest, assert, verify, affirm, manifest, show, imply, aver, bespeak, take the stand, bear out

Other

Antonyms

All antonyms of attest →

Definitions

v. 1
To affirm to be correct, true, or genuine.
When will the appraiser attest the date of the painting?

Related words

Word family: attestability attestable attestation attestive

Forms

Past participle: attested
e.g. attested → vouched, certified, evidenced, demonstrated…

Example sentences

evidence From this evidence it follows that he is innocent.
vouch Can anyone vouch for your whereabouts last night?
certify Records certify that Bob passed his driving test.

Popularity over time

Word	1850 → 2019	Trend
attest		rising
evidence		steady
vouch		rising
certify		falling

Use in printed books, per decade from 1850 to 2019.

By length

4 letters: show¹, aver²
5 letters: prove¹, imply², vouch¹
6 letters: verify³, assert², affirm²
7 letters: support², suggest², witness², confirm², testify³, certify³, bespeak²
8 letters: evidence³, manifest³
11 letters: demonstrate³, corroborate⁴

The small number after each word is its number of syllables (aver² = 2 syllables).