| noun | a writ from a court commanding police to perform specified acts |
| 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 securities” |
| noun | formal and explicit approval “a Democrat usually gets the union's endorsement” |
| noun | a written assurance that some product or service will be provided or will meet certain specifications |
| verb | show to be reasonable or provide adequate ground for “The emergency does not warrant all of us buying guns” |
| verb | stand behind and guarantee the quality, accuracy, or condition of “The dealer warrants all the cars he sells” |
| sanction | verb | give authority or permission to |
| countenance | verb | consent to, give permission |
| endorse | verb | guarantee as meeting a certain standard |
| indorse | verb | guarantee as meeting a certain standard |
| guarantee | verb | stand behind and guarantee the quality, accuracy, or condition of |
| warrant | verb | stand behind and guarantee the quality, accuracy, or condition of |
| justificative | adjective | providing justification |
| justificatory | adjective | providing justification |
| justifiable | adjective | capable of being justified |
| justification | noun | a statement in explanation of some action or belief |
| guarantee | noun | an unconditional commitment that something will happen or that something is true |
| guarantor | noun | one who provides a warrant or guarantee to another |
| warrant | noun | a written assurance that some product or service will be provided or will meet certain specifications |
| warrantee | noun | a customer to whom a warrant or guarantee is given |
| warrantor | noun | one who provides a warrant or guarantee to another |
| warranter | noun | one who provides a warrant or guarantee to another |