Meaning of GUARANTEE in English
n. 1 guaranty, warranty, assurance, pledge, bond, obligation, promise; word (of honour), oath, undertaking The guarantee expires one month from the sell-by date Have I your guarantee that this battery will last a year?
v. 2 guaranty, warranty, assure, ensure, pledge, promise, undertake, stand behind, vouch for, certify, make sure or certain, swear to, attest to The manufacturer guarantees every car for three years or 50,000 miles
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012