The act of relying (on or in someone or something); trust.
A person or thing which relies on another.
The condition of being reliant or dependent.
That which makes sure; that which confirms; ground of confidence or security.
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.
Certainty.