Synonyms in the same form
Past participle
Attest
attested, assured, certified, confirmed, corroborated, substantiated, supported, warranted, affirmed, averred, avouched, asseverated, verified, endorsed, avowed
Guarantee
Other
Attest
attested, assured, certified, confirmed, corroborated, substantiated, supported, warranted, affirmed, averred, avouched, asseverated, verified, endorsed, avowed
Guarantee
Other