Surety (noun)

  1. The state of being certain or confident about something.
  2. A person or thing that guarantees the fulfillment of an obligation or the performance of a contract.
  3. A guarantee or pledge, especially one provided by a third party for the performance of another.

Origin:

Derived from the old french word "surete" which means "security" or "assurance" it has been used in english since the 14th century.

Examples:

  1. He gave his word as surety for the loan.
  2. The surety of the contract is a bank guarantee.
  3. The surety bond is a guarantee of performance on the contract.
  4. She gave her surety that the project would be completed on time.
  5. The surety of his promise gave her peace of mind.
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