Authorization or certification; sanction, as given by a superior.
Justification for an action or a belief; grounds: "He almost gives his failings as a warrant for his greatness"(Garry Wills).
Something that provides assurance or confirmation; a guarantee or proof: a warrant of authenticity; a warrant for success.
An order that serves as authorization, especially:
A voucher authorizing payment or receipt of money.
Law A judicial writ authorizing an officer to make a search, seizure, or arrest or to execute a judgment.
A warrant officer.
A certificate of appointment given to a warrant officer.
A warrant officer.
A certificate of appointment given to a warrant officer.
tr.v.
war·rant·ed, war·rant·ing, war·rants
To guarantee or attest to the quality, accuracy, or condition of.
To guarantee or attest to the character or reliability of; vouch for.
To guarantee (a product).
To guarantee (a purchaser) indemnification against damage or loss.
To guarantee the immunity or security of.
To provide adequate grounds for; justify. See Synonyms at justify.
To grant authorization or sanction to (someone); authorize or empower.
Law To guarantee clear title to (real property).
[Middle English warant, from Old North French, of Germanic origin; see wer-4 in Indo-European roots.] war'rant·a·bil'i·ty, war'rant·a·ble·ness n., war'rant·a·ble adj., war'rant·a·bly adv., war'rant·less adj.
(wôr'ənt, wŏr'-) 