(noun) a writ from a court commanding police to perform specified acts

(noun) a written assurance that some product or service will be provided or will meet certain specifications

(noun) formal and explicit approval; "a Democrat usually gets the union's endorsement"

(noun) 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; "as a sweetener they offered warrants along with the fixed-income

(verb) stand behind and guarantee the quality, accuracy, or condition of; "The dealer warrants all the cars he sells"; "I warrant this information"

(verb) show to be reasonable or provide adequate ground for; "The emergency does not warrant all of us buying guns"; "The end justifies the means"

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