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
3. (noun) sanction, countenance, endorsement, indorsement, warrant, imprimatur
formal and explicit approval
Synonyms: endorsement, second, stock warrant, kisser, phiz, secondment, warranty, authorization, physiognomy, sanction, warrant, mug, indorsement, blurb, countenance, guarantee, stock-purchase warrant, imprimatur, warrantee, smiler, visage, authority, authorisation
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, stock warrant
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
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Synonyms and Antonyms of warrant 
