certify

Meaning

1. (transitive) To attest to (a fact) as the truth.
2. (transitive) To authenticate or verify in writing.
3. (transitive) To attest that a product, service, organization, or person has met an official standard.
4. (archaic, transitive) To inform; to tell (a person) that something is true.
5. (archaic, reflexive) To assure (oneself) of something; to ascertain.

Synonyms

attest

affirm

confirm

assure

testify

ensure

verify

approve

vouch

endorse

warrant

witness

guarantee

demonstrate

prove

ascertain

insure

establish

authorize

accredit

authenticate

validate

ratify

bear witness of

corroborate

manifest

license

licence

certificate

secure

quarantee

substantiate

allow

qualify

permit

underwrite

insist

back

🔙

indorse

evidence

execute

buttress

build

asseverate

boost

bolster up

assert

acknowledge

bespeak

bear witness

Translations

certifier

attester

certificar

bestätigen

bescheinigen

verzekeren

certificar

certificare

attestare

beteuern

betuigen

certificar

atestiguar

assurer

atestar

Pronounced as (IPA)

/ˈsɜː.tɪ.faɪ/

Etymology

From Old French certefier (“confirm, assure, make certain”). Compare French certifier.