1) Accredited 2) Allowed 3) Approved 4) Authorised 5) Authoritative 6) Canonised 7) Canonized 8) Certified 9) Commissioned 10) Duly sanctioned 11) Empowered 12) Endorsed 13) Endowed with authority 14) Formal 15) Glorified 16) Lawful 17) Legitimate 18) Licenced 19) Licensed 20) Official 21) Sanctioned 1) Accredited 2) Approved 3) Authorised 4) Canonised 5) Canonized 6) Certificed 7) Empowered 8) Entitled 9) Fit 10) Glorified 11) Lawful 12) Legal 13) Legitimate 14) Licenced 15) Licensed 16) Licit 17) Official 18) Okayed 19) Okd 20) Oked 21) Sceptered 22) Sceptred 
• (a.) Possessed of or endowed with authority; as, an authorized agent. • (imp. & p. p.) of Authorize • (a.) Sanctioned by authority.
Au'thor·ized adjective 1. Possessed of or endowed with authority; as, an authorized agent. 2. Sanctioned by authority. The Authorized Version 
[adj] - endowed with authority
authorised adjective endowed with authority
given or endowed with authority: an authorized agent. · duly sanctioned.