[noun] a document giving an official instruction or command Synonyms:mandate, 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" Synonyms:authority, authorisation, dominance, say-so
[noun] official permission or approval; "authority for the program was renewed several times" Synonyms:authority, authorisation, sanction
[noun] the act of conferring legality or sanction or formal warrant Synonyms:authorisation, empowerment