- to give authority or official power to; empower: to authorize an employee to sign purchase orders.
- to give authority for; formally sanction (an act or proceeding): Congress authorized the new tax on tobacco.
- to establish by authority or usage: an arrangement long authorized by etiquette books.
- to afford a ground for; warrant; justify.
Also especially British, au·thor·ise.
Origin of authorize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to confer authority upon (someone to do something); empower
- to permit (someone to do or be something) with official sanctiona dealer authorized by a manufacturer to retail his products
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 deauthorize
"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