Synonyms for warrant
noun
authorization, certificate, credential, official document, summons, subpoena, security, pass, testimonial, passport, credentials, permit, license, permission, chit, verification, authentication.
verb
To guarantee
assure, insure, vouch for; see assert 1, guarantee 1, 2, vouch.
To justify
bear out, call for, give grounds for; see explain, justify 2.
To authorize
empower, sanction, license; see approve 1, delegate 1. See syn. study at assert.
See warrant in Webster's New World Roget's A-Z Thesaurus II
noun
A justifying fact or consideration:
basis, foundation, justification, reason. See trueThat which confirms:
attestation, authentication, confirmation, corroboration, demonstration, evidence, proof, substantiation, testament, testimonial, testimony, validation, verification. See trueSomething given to guarantee the repayment of a loan or the fulfillment of an obligation:
earnest2, guaranty, pawn1, pledge, security, token. See transactionsAn assumption of responsibility, as one given by a manufacturer, for the quality, worth, or durability of a product:
guarantee, guaranty, surety, warranty. See obligationA 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 obligationProof of legal permission to do something:
license, permit. Idiom: piece of paper. See allow, law
verb
To assure the certainty or validity of:
attest, authenticate, back (up), bear out, confirm, corroborate, evidence, justify, substantiate, testify (to), validate, verify. See support, trueTo render certain:
assure, ensure, guarantee, insure, secure. (Informal) cinch. See certainTo assume responsibility for the quality, worth, or durability of:
certify, guarantee, guaranty. See obligationTo be a proper or sufficient occasion for:
call for, justify, occasion. See right
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