English Dictionary

The state of being sure; certainty; security.
Source : opted (153495)  - auto

That which makes sure; that which confirms; ground of confidence or security.
Source : opted (153496)  - auto

Security against loss or damage; security for payment, or for the performance of some act.
Source : opted (153497)  - auto

One who is bound with and for another who is primarily liable, and who is called the principal; one who engages to answer for another's appearance in court, or for his payment of a debt, or for performance of some act; a bondsman; a bail.
Source : opted (153498)  - auto

Hence, a substitute; a hostage.
Source : opted (153499)  - auto

Evidence; confirmation; warrant.
Source : opted (153500)  - auto

To act as surety for.
Source : opted (153501)  - auto