verb (used with object), au·thor·ized, au·thor·iz·ing.
  1. to give authority or official power to; empower: to authorize an employee to sign purchase orders.
  2. to give authority for; formally sanction (an act or proceeding): Congress authorized the new tax on tobacco.
  3. to establish by authority or usage: an arrangement long authorized by etiquette books.
  4. to afford a ground for; warrant; justify.
Also especially British, au·thor·ise.

Origin of authorize

1350–1400; earlier auctorize < Medieval Latin auctōrizāre; replacing Middle English autorisen < Middle French autoriser < Medieval Latin See author, -ize
Related formsau·thor·iz·a·ble, adjectiveau·thor·iz·er, nounde·au·thor·ize, verb (used with object), de·au·thor·ized, de·au·thor·iz·ing.mis·au·thor·ize, verb (used with object), mis·au·thor·ized, mis·au·thor·iz·ing.pre·au·thor·ize, verb (used with object), pre·au·thor·ized, pre·au·thor·iz··au·thor·ize, verb (used with object), re·au·thor·ized, re·au·thor·iz·ing.self-au·thor·iz·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for reauthorize

Contemporary Examples of reauthorize

British Dictionary definitions for reauthorize



verb (tr)
  1. to confer authority upon (someone to do something); empower
  2. to permit (someone to do or be something) with official sanctiona dealer authorized by a manufacturer to retail his products
Derived Formsauthorization or authorisation, nounauthorizer or authoriser, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for reauthorize



"give formal approval to," late 14c., autorisen, from Old French autoriser "authorize, give authority to" (12c.), from Medieval Latin auctorizare, from auctor (see author (n.)). Modern spelling from 16c. Related: Authorized; authorizing.

Online Etymology Dictionary, © 2010 Douglas Harper