guarantees
gua-ran-tees
noun
Formal promises or assurances, often written, regarding quality or performance.
"The new television comes with two years of guarantees."
verb
To formally promise or assure something will happen or be of good quality.
"This contract guarantees your rights."
Thesaurus
Synonyms: vouch, guarantee, guaranty, assure, ensure, insure, secure, warrant, warrantee, warranty, undertake