( BrE also au·thor·isa·tion ) / ˌɔːθəraɪˈzeɪʃn; NAmE ˌɔːθərəˈzeɪʃn/ noun
1.
[ U , C ] official permission or power to do sth; the act of giving permission :
You may not enter the security area without authorization.
Who gave the authorization to release the data?
2.
[ C ] a document that gives sb official permission to do sth :
Can I see your authorization?