Synonyms for corroborate | corroborate synonyms

confirm (verb)

Synonyms:

substantiate, validate, verify, vindicate, prove, acknowledge.

affirm (verb)

Synonyms:

reaffirm.

reinforce (verb)

Synonyms:

underpin.

attest (verb)

Synonyms:

certify.

reconfirm, reiterate, reassert, endorse, confirmation, bolster, fortify,