Etymology
Advertisement

authorisation (n.)

chiefly British English spelling of authorization (q.v.); for spelling, see -ize.

Advertisement
Advertisement
Definitions of authorisation

authorisation (n.)
a document giving an official instruction or command;
Synonyms: mandate / authorization
authorisation (n.)
the power or right to give orders or make decisions;
Synonyms: authority / authorization / potency / dominance / say-so
authorisation (n.)
official permission or approval;
authorisation (n.)
the act of conferring legality or sanction or formal warrant;
From wordnet.princeton.edu