1) Approved 2) Ascribed 3) Attributed 4) Authorised 5) Authorized 6) Certified 7) Commissioned 8) Endorsed 9) Licenced 10) Licensed 11) Official 12) Officially recognised 13) Qualified 14) Recognized 
• (imp. & p. p.) of Accredit
[adj] - given official approval to act
accredited Furnished with credentials, publicly or officially recognized; given forth as worthy of belief, authoritatively sanctioned.
commissioned adjective given official approval to act; `an accredited college`; `commissioned broker`; `licensed pharmacist`; `authorized representative`
Officially authorized to carry out a role. For example, an accredited body may be authorized to provide training or to conduct audits.
officially recognized as meeting the essential requirements, as of academic excellence: accredited schools. · provided with official credentials, as by a government: an accredited diplomatic representative. · accepted as authoritative: an accredited theory.