Find the meaning, pronunciation and translation of the word authorised, which means endowed with authority or sanctioned by established authority. See also related words and antonyms for authorised. Anumodan - UDIN based Driver Authorization Generation Portal - For Users - YouTube Authorise and Authorize, primarily distinguished by their spelling, reflect the difference between British and American English usage. While both terms imply granting permission or power to do something, their spelling is the most evident distinction, stemming from the linguistic preferences of their respective regions. Authorised vs. Authorized: Know the Difference "Authorised" and "Authorized" have the same meaning, referring to having official permission or approval, but differ in British and American spelling, respectively.