underwrite Synonyms

subvention cover subvent insure provide security supply superscribe subvene subsidize subsidizing subsidized subscribe subscribed stake sponsor sign secure support undersign understand put up money put up the money for put john hancock on say amen to invest in stand behind prime the pump pay for grubstake cosign subscribe to bankroll warrant underwriting seal sanction ensure endow endorse countersign confirm certify capitalize back assure approve aid afford affirm advance