Definition of warrant :
1. A precept issued by a magistrate authorizing an officer to make an arrest, a seizure, or a search, or do other acts incident to the administration of justice.
2. A writing which authorizes a person to receive money or other thing.
3. An official certificate of appointment issued to an officer of lower rank than a commissioned officer. See officer, below.
4. In law and common usage: to undertake or engage for the payment of ( a debt) or the performance of ( a duty) by another person; to undertake to secure ( a possession, right, claim, etc.) to another against a specified contingency, or at all avents; to give a guarantee concerning; to engage, assure, or secure as a thing that may be depended on; to warrant; as, to guarantee the execution of a treaty.
5. Right; legality; allowance.
6. That which attests or proves; a voucher.
7. That which vouches or insures for anything; guaranty; security.
8. That which warrants or authorizes; a commission giving authority, or justifying the doing of anything; an act, instrument, or obligation, by which one person authorizes another to do something which he has not otherwise a right to do; an act or instrument investing one with a right or authority, and thus securing him from loss or damage; commission; authority.
9. To assure, as a thing sold, to the purchaser; that is, to engage that the thing is what it appears, or is represented, to be, which implies a covenant to make good any defect or loss incurred by it.
10. To give a warrant or warranty to; to assure as if by giving a warrant to.
11. To make secure; to give assurance against harm; to guarantee safety to; to give authority or power to do, or forbear to do, anything by which the person authorized is secured, or saved harmless, from any loss or damage by his action.
12. To secure to, as a grantee, an estate granted; to assure.
13. To secure to, as a purchaser of goods, the title to the same; to indemnify against loss.
14. To secure to, as a purchaser, the quality or quantity of the goods sold, as represented. See Warranty, n., 2.
15. To support by authority or proof; to justify; to maintain; to sanction; as, reason warrants it.
rationalize, pattern, absolve, apologise, free, authorisation, stock warrant, law, surety, physiognomy, obiter dictum, authority, word, apologize, endorsement, pawn, justify, earnest, basis, imprimatur, engagement, smiler, undertake, evidence, secondment, justification, countenance, word of honor, visage, mug, excuse, testimony, blurb, demonstration, plight, substantiation, example, vindicate, corroboration, reason, stock-purchase warrant, kisser, token, antecedent, covenant, guaranty, assurance, solemn word, phiz, rationalise, proof, true, vow, attestation, warrantee, indorsement, testament, instance, warranty, allow, obligation, precedent, second, case, foundation
authorization (part of speech: noun)
authentication, authorization, pass, chit, certification, credential, agreement, designation, empowerment, security, verification, enfranchisement, certificate, permission, entitlement, confirmation, testimonial, blessing, notarization, passport, subpoena, summons, validation, official document, affirmation, credentials, approval
affirm (part of speech: verb)
proclaim, pronounce, accept, propound, maintain, testify, claim, avouch, admit, corroborate, profess, contend, endorse, express, support, state, declare, assure, verify, validate, certify, acknowledge, sustain, adjure, approve, affirm, submit, pledge, set down, aver, attest, promise, assert, ratify
authorize (part of speech: verb)
denominate, sanction, enfranchise, designate, notarize, commission, agree, empower, confirm, assent, enable, authorize, consent, authenticate, license, ordain, permit, bless, entitle, deputize, countersign
deserve (part of speech: verb)
guarantee (part of speech: verb)
- " Ay, I'll warrant you are always on the safe side of money," replied Comyn, with a laugh. - "Richard Carvel, Volume 5", Winston Churchill.
- " I'll warrant he has not. - "The Bertrams", Anthony Trollope.
- I told you once, Jack, said he, that I ought to have been a master, had it not been for my own ignorance, instead of before the mast; and having missed that, had I not continued too idle to learn, I might have got a boatswain's warrant. - "Old Jack", W.H.G. Kingston.