'authorization' definitions:

Definition of 'authorization'

From: WordNet
noun
A document giving an official instruction or command [syn: mandate, authorization, authorisation]
noun
The power or right to give orders or make decisions; "he has the authority to issue warrants"; "deputies are given authorization to make arrests"; "a place of potency in the state" [syn: authority, authorization, authorisation, potency, dominance, say-so]
noun
Official permission or approval; "authority for the program was renewed several times" [syn: authority, authorization, authorisation, sanction]
noun
The act of conferring legality or sanction or formal warrant [syn: authorization, authorisation, empowerment]

Synonyms of 'authorization'

From: Moby Thesaurus