official

• Adj

  1. Of or pertaining to an office or public trust.
  2. Derived from the proper office or officer, or from the proper authority; made or communicated by virtue of authority
  3. Approved by authority; authorized.
  4. Approved by authority; authorized.
  5. Sanctioned by the pharmacopoeia; appointed to be used in medicine; officinal.
  6. Discharging an office or function.
  7. Relating to an office; especially, to a subordinate executive officer or attendant.
  8. Relating to an ecclesiastical judge appointed by a bishop, chapter, archdeacon, etc., with charge of the spiritual jurisdiction.
  9. (informal) True, real, beyond doubt.
  10. Listed in a national pharmacopeia.

• Noun