1. (noun)warrant a writ from a court commanding police to perform specified acts Synonyms: countenance, imprimatur, stock-purchase warrant, indorsement, sanction, guarantee, warrantee, endorsement, warranty, stock warrant
2. (noun)warrant, stock warrant, stock-purchase warrant a type of security issued by a corporation (usually together with a bond or preferred stock) that gives the holder the right to purchase a certain amount of common stock at a stated price Synonyms: countenance, imprimatur, stock-purchase warrant, indorsement, sanction, guarantee, warrantee, endorsement, warranty, warrant, stock warrant
4. (verb)guarantee, warrant, warrantee, warranty a written assurance that some product or service will be provided or will meet certain specifications Synonyms: countenance, imprimatur, stock-purchase warrant, indorsement, sanction, guarantee, warrantee, guaranty, endorsement, warranty, warrant, stockwarrant
5. (verb)justify, warrant show to be reasonable or provide adequate ground for Synonyms: rationalize, absolve, free, guarantee, apologise, excuse, rationalise, vindicate, apologize, warrant, justify
6. (verb)guarantee, warrant stand behind and guarantee the quality, accuracy, or condition of Synonyms: vouch, undertake, guarantee, ensure, insure, assure, warrant, secure, justify
Synonyms, Thesaurus & Antonyms of 'warrant'
English Synonyms and Antonyms
1. warrant A precedent is an authoritative case, example, or instance. The communism of the early Christians in Jerusalem is a wonderful example or instance of Christian liberality, but not a prece Synonyms: precedent, antecedent, case, instance, pattern, authority, example, obiter dictum, warrant
Synonyms for warrant 
