Definition of "warrant" []

• Authorization or certification; sanction, as given by a superior. (noun)
• Justification for an action or a belief; grounds: "He almost gives his failings as a warrant for his greatness” ( Garry Wills). (noun)
• Something that provides assurance or confirmation; a guarantee or proof: a warrant of authenticity; a warrant for success. (noun)
• An order that serves as authorization, especially: (noun)
• A voucher authorizing payment or receipt of money. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "[3] In the first of those books I introduced the term warrant 'as a name for that property -- or better, quantity -- enough of which is what makes the difference between knowledge and mere true belief."
• "Suppose we use the term warrant 'to denote that further quality or quantity (perhaps it comes in degrees), whatever precisely it may be, enough of which distinguishes knowledge from mere true belief."
• "So you believe that, if a legitimate search warrant is served at a particular time and people-other-than-those named on the warrant are there, that these folks should be†¦ what?"