IPA: /ˌɔːθəraɪˈzeɪʃən/
KK: /ɔːθəraɪˈzeɪʃən/
A process or act of giving official permission or approval for something.
The authorisation for the project was granted after a thorough review.
Authorisation → It is formed from "author" (from Latin "auctor", meaning creator or originator) and "-isation" (a suffix used to form nouns indicating a process or action). The word "authorisation" means the process of giving someone the power or right to do something, originating from the concept of being a creator or originator of that power.
Think of an 'author' as someone who creates or gives permission, and the '-isation' part means the process of making that happen. So, authorisation is the process of giving someone the power to act.