Synonyms of 'surety' - Ask.com Search

surety

surety - noun

The fact or condition of being without doubt: assurance, assuredness, certainty, certitude, confidence, conviction, positiveness, sureness. See certain.
An assumption of responsibility, as one given by a manufacturer, for the quality, worth, or durability of a product: guarantee, guaranty, warrant, warranty. See obligation.
One who assumes financial responsibility for another: backer, guarantor, guaranty, sponsor, underwriter. Informal angel. See law. support.