warranty Synonyms

ensuring sheepskin security sanction safeguard recognizance ratification provision protection promise pledge pignoration permit permission shingles surety word of honor covenant of warranty nihil obstat blank cheque empowerment seal of approval word warrantee warrant vow vouchee undertaking testamur oath lien clearance charter certification certificate bond bail authorization authority assure assurance approval agreement affirmation collateral contract insurance indemnity imprimatur hypothec