guarantee
Pronunciation:
/ˌɡæɹənˈtiː/noun
Definitions
Anything that assures a certain outcome.
Example: Can you give me a guarantee that he will be fit for the match?
A legal assurance of something, e.g. a security for the fulfillment of an obligation.
More specifically, a written declaration that a certain product will be fit for a purpose and work correctly; a warranty
Example: The cooker comes with a five-year guarantee.
The person to whom a guarantee is made.
verb
Definitions
To give an assurance that something will be done right.
To assume or take responsibility for a debt or other obligation.
To make something certain.
Example: The long sunny days guarantee a good crop.