WordWeb Online

1. (law) a document giving an official instruction or command
   - mandate, authorization
    
2. The power or right to give orders or make decisions
   "he has the authorisation to issue warrants";
   - authority, authorization, potency, dominance, say-so
    
3. Official permission or approval
   "authorisation for the program was renewed several times";
   - authority, authorization, sanction, clearance
    
4. The act of conferring legality, sanction or formal warrant
   - authorization, empowerment

Derived forms: authorisations

See also: authorised [Brit], authorized, unauthorised [Brit], unauthorized

Type of: control, direction, instrument, legal document, legal instrument, management, official document, permission

Encyclopedia: Authorisation