warrant

I

(New American Roget's College Thesaurus)

n. warranty, guaranty; pledge, security, surety; authority; summons, writ, permit, pass; sanction; justification. —v. t. guarantee, indemnify, vouch for, answer for, certify, secure; affirm; state, maintain; assure, support, sanction, authorize, justify. See permission, vindication, affirmation, evidence.

II

(Roget's IV) n.

Syn. authorization, certificate, credential, official document, summons, subpoena, security, pass, testimonial, passport, credentials, permit, license, permission, chit, verification, authentication.

v.

1. [To guarantee]

Syn. assure, insure, vouch for; see assert 1 , guarantee 1 , 2 , vouch .

2. [To justify]

Syn. bear out, call for, give grounds for; see explain , justify 2 .

3. [To authorize]

Syn. empower, sanction, license; see approve 1 , delegate 1 .

See Synonym Study at assert .

III

(Roget's 3 Superthesaurus)

I

n.

1. authorization authority, sanction, right, word, *OK, permission, license, permit, mandate, subpoena, summons, writ, order, justification.

2. assurance guarantee, surety, security.

II

v.

1. authorize sanction, give authority, give the right, *OK, permit, license, allow, invest, certify, empower.

2. justify give grounds for, account for, excuse, defend, provide a reason for.

3. assure guarantee, back, promise, pledge, vow, swear to, insure, vouch for, underwrite.

IV

(Roget's Thesaurus II) I noun 1. A justifying fact or consideration: basis, foundation, justification, reason. See TRUE. 2. That which confirms: attestation, authentication, confirmation, corroboration, demonstration, evidence, proof, substantiation, testament, testimonial, testimony, validation, verification. See TRUE. 3. Something given to guarantee the repayment of a loan or the fulfillment of an obligation: earnest2, guaranty, pawn1, pledge, security, token. See TRANSACTIONS. 4. An assumption of responsibility, as one given by a manufacturer, for the quality, worth, or durability of a product: guarantee, guaranty, surety, warranty. See OBLIGATION. 5. A declaration that one will or will not do a certain thing: assurance, covenant, engagement, guarantee, guaranty, pledge, plight2, promise, solemn word, vow, word, word of honor. See OBLIGATION. 6. Proof of legal permission to do something: license, permit. Idiom: piece of paper. See ALLOW, LAW. II verb 1. To assure the certainty or validity of: attest, authenticate, back (up), bear out, confirm, corroborate, evidence, justify, substantiate, testify (to), validate, verify. See SUPPORT, TRUE. 2. To render certain: assure, ensure, guarantee, insure, secure. Informal: cinch. See CERTAIN. 3. To assume responsibility for the quality, worth, or durability of: certify, guarantee, guaranty. See OBLIGATION. 4. To be a proper or sufficient occasion for: call for, justify, occasion. See RIGHT.