to confer authority upon (someone to do something); empower to permit (someone to do or be something) with official sanction
WordReference Random House Learner's Dictionary of American English © 2025
au•thor•ize /ˈɔθəˌraɪz/USA pronunciation
v., -ized, -iz•ing.
WordReference Random House Unabridged Dictionary of American English © 2025- to give authority to:[~ + object + to + verb]I am not authorized to pay you now.
- to give authority for:[~ + object]He authorized increased spending on medical research.
au•thor•ize
(ô′thə rīz′),USA pronunciation v.t., -ized, -iz•ing.
au′thor•iz′a•ble, adj.
au′thor•iz′er, n.
WordReference Random House Unabridged Dictionary of American English © 2025- 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.
- Medieval Latin. See author, -ize
- Middle French autoriser
- Medieval Latin auctōrizāre; replacing Middle English autorisen
- earlier auctorize 1350–1400
au′thor•iz′er, n.
au•thor•ized
(ô′thə rīzd′),USA pronunciation adj.
- given or endowed with authority:an authorized agent.
- duly sanctioned.
- authorize + -ed2
Collins Concise English Dictionary © HarperCollins Publishers::
'authorised' also found in these entries (note: many are not synonyms or translations):