Guarantee

Warranty

Synonyms: Warranty, contract, bond, promise, warrant, covenant, and assurance.

Promise

Synonyms: Promise, word, pledge, oath, commitment, assurance, word of honour, vow, and bond.

Promise

Synonyms: Promise, swear to the fact, vow, give one's word, give assurances, give a pledge, take an oath, swear, pledge, undertake, give an assurance, give an undertaking, swear an oath, and plight.

Example Sentences

We offer a money-back guarantee.

I can guarantee your satisfaction.

The warranty will guarantee repairs needed.

They guarantee delivery by tomorrow evening.