noun a written assurance that some product or service will be provided or will meet certain specifications
noun a collateral agreement to answer for the debt of another in case that person defaults
Synonymsguaranty
verb give surety or assume responsibility
Synonymsvouch
verb promise to do or accomplish
Synonymsundertake
verb stand behind and guarantee the quality, accuracy, or condition of
Synonymswarrant
Source: WordNet 3.1, Princeton University
