One who undertakes to pay money or perform other acts in the event that his principal fails therein.
A promise to pay a sum of money in the event that another person fails to fulfill an obligation.
A substitute; a hostage.
Evidence; confirmation; warrant.
Certainty.
That which makes sure; that which confirms; ground of confidence or security.
Deception or underhanded behavior.
The art of dressing up; imposture.
Artifice; the use of one or more stratagems.
An instance of deception, underhanded behavior, dressing up, imposture, artifice, etc.