Synonyms of corroborate
- 1 Syllable
- vouch
- 2 Syllables
- support, vouched, confirms, proven, vouching, confirm, prove, okay, strengthen, sustain, attest, strengthens
- 3 Syllables
- ratifying, endorse, certifying, strengthening, testify, ratified, testified, attesting, rubber-stamp, ratifies, confirming, countersign, attested, establish, document, ratify, certify, verifies, certified, approve, justify, testifying, tokened, strengthened, verify
- 4 Syllables
- countersigned, vindicate, validating, disculpate, vindicating, validate, substantiate, substantiating, validated, countersigning, substantiated, vindicated
- 5 Syllables
- authenticating, authenticated, authenticate