n. 1 authorization, sanction, reason, justification, approval, validation, licence, right, certification, entitlement, grounds, cause, rationale, basis, assurance, carte blanche, guarantee, pledge, security, charter, warranty We demand to know what warrant may exist for such an action 2 writ, order, affidavit, paper, document, credential, permit, entitlement, licence, permit, summons, subpoena, mandate, decree, fiat, edict, ukase Do not let them search the premises without a warrant A warrant has been issued for her arrest.
v. 3 guarantee, promise, assure, ensure or insure, answer for, be answerable for, certify, vouch for, underwrite, back up, uphold, stand by or behind All these products are warranted by the manufacturer for one year 4 authorize, sanction, justify, explain, approve, verify, validate, permit, allow, provide or offer grounds or justification or cause or reason for, call for, necessitate, entitle, empower, excuse, license: What is it that warrants such accusations of malfeasance?