Answer: atteststo

AnswerCrossword Clue
ATTESTSTO

Vouches for

ATTESTSTO

Corroborates

ATTESTSTO

Corroborates, in court

ATTESTSTO
Warrants
ATTESTSTO
Verifies
ATTESTSTOSwears by
ATTESTSTOConfirms
ATTESTSTOCertifies
ATTESTSTOSubstantiates