obligation Synonyms

duty indebtedness commitment responsibility required promise promissory proviso ratability requisite requirement requiring taxability recognizance pressure prerequisite preengagement necessitude necessity need obligatoriness obligatory obliged office onus ought pact pledge precondition necessariness role beau geste gratefulness culpableness certificate of indebtedness debt instrument dead weight promissory note IOU dues debts responsibilities obligations red ink arrears shall stipulation swink tariff task