assure Synonyms

convince vouch guarantee control tell check secure ensure reassure insure persuade ascertain promise seen swear promised bear up tranquilize undersign protest see reassuring securing provide protect reenforce reinsure safeguard propitiate promising secured satisfy underwrite tide over stand guard get behind nail down make certain policyholder reassuringly talk into reassured ensured cheerlead chirk up see to it vow warrant warranting warrantee