Synonyms for validate
verb
confirm, sanction, legalize, certify, stamp, notarize, authorize, authenticate, substantiate, verify, prove; see also approve 1, endorse 1, prove, verify. See syn. study at verify.
See validate in Webster's New World Roget's A-Z Thesaurus II
verb
To assure the certainty or validity of:
attest, authenticate, back (up), bear out, confirm, corroborate, evidence, justify, substantiate, testify (to), verify, warrant. See support, trueTo establish as true or genuine:
authenticate, bear out, confirm, corroborate, demonstrate, endorse, establish, evidence, prove, show, substantiate, verify. See show, support
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