Synonyms of certify

1 Syllable

let, vouch, show, swear

2 Syllables

confirms, witness, okay, okayed, avow, letting, proven, vouching, prove, vouched, aver, profess, reassert, avouch, sanction, letted, confirm, affirm, affirms, attest, state

3 Syllables

rubberstamp, endorse, warranting, attesting, confirming, ensured, qualifying, declaring, reasserted, approve, avouched, ensuring, ratifying, endorsing, ratified, testified, rubber-stamp, qualify, ascertain, sanctioning, constate, guaranteeing, ratify, license, testifying, reassure, verify, ensure, professing, testify, guarantee, affirming, notify, countersign, attested, declare, graduating, affirmed, ratifies, mandating, professes, commission, accredit, verifies, assure, tokened, reasserting

4 Syllables

countersigning, acknowledge, acknowledging, countersigned, validating, allegate, validate, authorize, validated

5 Syllables

capacitated, capacitate, corroborated, authenticating, corroborating, corroborate, authenticated, authenticate