definition of
warrant

[1] #1 warrant v. [justify] show to be reasonable or provide adequate ground for; "The emergency does not warrant all of us buying guns"; "The end justifies the means". wn

[2] #2 warrant n. a writ from a court commanding police to perform specified acts. wn

[3] #3 warrant n. [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; "as a sweetener they offered warrants along with the fixed-income. wn

[4] #4 warrant v. [guarantee] stand behind and guarantee the quality, accuracy, or condition of; "The dealer warrants all the cars he sells"; "I warrant this information". wn

[5] #5 warrant n. [sanction, countenance, endorsement, indorsement, imprimatur] formal and explicit approval; "a Democrat usually gets the union's endorsement". wn