Attest vs. Certify

Difference Between Attest and Certify
Attestverb
(transitive) To affirm to be correct, true, or genuine.
When will the appraiser attest the date of the painting?Certifyverb
(transitive) To attest to (a fact) as the truth
Attestverb
(transitive) To certify by signature or oath.
You must attest your will in order for it to be valid.Certifyverb
(transitive) To attest that a product, service, organization, or person has met an official standard.
These blankets have been certified as fireproof.Attestverb
(transitive) To certify in an official capacity.
Certifyverb
To inform; to tell (a person) that something is true.
Attestverb
(ambitransitive) To supply or be evidence of.
Her fine work attested her ability.Certifyverb
provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes;
His high fever attested to his illnessThe buildings in Rome manifest a high level of architectural sophisticationThis decision demonstrates his sense of fairnessAttestverb
(transitive) To put under oath.
Certifyverb
guarantee payment on; of checks
Attestverb
To call to witness; to invoke.
Certifyverb
authorize officially;
I am licensed to practice law in this stateAttestverb
provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes;
His high fever attested to his illnessThe buildings in Rome manifest a high level of architectural sophisticationThis decision demonstrates his sense of fairnessCertifyverb
guarantee as meeting a certain standard;
certified grade AAA meatAttestverb
authenticate, affirm to be true, genuine, or correct, as in an official capacity;
I attest this signatureCertifyverb
declare legally insane
Attestverb
give testimony in a court of law
Attestverb
establish or verify the usage of;
This word is not attested until 1993