warranted

authorization, sanction, or justification.

something that serves to give reliable or formal assurance of something; guarantee, pledge, or security. Synonyms: warranty, surety.

something considered as having the force of a guarantee or as being positive assurance of a thing: The cavalry and artillery were considered sure warrants of success.

a writing or document certifying or authorizing something, as a receipt, license, or commission. Synonyms: permit, voucher, writ, order, chit.

Law. an instrument, issued by a magistrate, authorizing an officer to make an arrest, seize property, make a search, or carry a judgment into execution.

to give authority to; authorize.

to give reason or sanction for; account for: The circumstances warrant such measures. Synonyms: justify, uphold, support, validate, vindicate.

to give one's word for; vouch for (often used with a clause to emphasize something asserted): I'll warrant he did! Synonyms: guarantee, attest, swear.

to give a formal assurance, or a guarantee or promise, to or for; guarantee: to warrant someone honorable treatment; to warrant payment; to warrant safe delivery.

to guarantee the quantity, quality, and other representations of (an article, product, etc.), as to a purchaser.