Synonyms for certify

Synonyms (Grouped by Similarity of Meaning) of verb certify

Sense 1:

attest, certify, manifest, demonstrate, evidence
testify, bear witness, prove, evidence, show

Sense 2:

certify
secure

Sense 3:

license, licence, certify
authorize, authorise, pass, clear

Sense 4:

certify, endorse, indorse
guarantee, warrant

Sense 5:

certify
declare, adjudge, hold