The property of being sure, certainty.
The property of being sure, deft, confident of ability.
The result or product of being sure.
Certainty.
A promise to pay a sum of money in the event that another person fails to fulfill an obligation.
One who undertakes to pay money or perform other acts in the event that his principal fails therein.
A substitute; a hostage.
Evidence; confirmation; warrant.
That which makes sure; that which confirms; ground of confidence or security.