insure Synonyms

control underwrite see to it guarantee ensure secure cover check ascertain assure make sure warrant vouch give bond underwriting subvene sponsor shield see take the rap for lock on make no doubt be surety for sign for make bail see that ensuring bind oneself set at rest dismiss all doubt make certain subvent securer safeguard affiance clinch cinch certify bond betroth back assurer assuring assured determine enure register reassure protect promise