• synonyms


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.
Show More
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·ing.re·au·thor·ize, verb (used with object), re·au·thor·ized, re·au·thor·iz·ing.self-au·thor·iz·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for authorise

Contemporary Examples of authorise

Historical Examples of authorise

  • It was at the time when the Chamber was asked to authorise the issue of lottery stock.

  • To authorise the Prince to accept the government of another State.


    Frank Fox

  • I can write again by the parcel, if you authorise me to send it.

    Principle and Practice

    Harriet Martineau

  • Do you authorise me to speak—a little—as if I have an interest?

    The Outcry

    Henry James

  • And remember also that I do not authorise you in any way to resume this conversation.

    The Man

    Bram Stoker

British Dictionary definitions for authorise



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
Show More
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 authorise


chiefly British English spelling of authorize (q.v.); for suffix, see -ize. Related: Authorised; authorising.

Show More



"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.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper