Definition of official :
1. An ecclesiastical judge appointed by a bishop, chapter, archdeacon, etc., with charge of the spiritual jurisdiction.
2. Approved by authority; sanctioned by the pharmacopoeia; appointed to be used in medicine; as, an official drug or preparation. Cf. Officinal.
3. Derived from the proper office or officer, or from the proper authority; made or communicated by virtue of authority; as, an official statement or report.
4. Discharging an office or function.
5. Of or pertaining to an office or public trust; as, official duties, or routine.
6. One who holds an office; esp., a subordinate executive officer or attendant.
regular, decreed, befitting, established, ex officio, administrant, recognized, informal, administrator, appointed, conclusive, positive, constituted, over, authoritative, director, authorized, conventional, unceremonious, ordained, customary, authorised, proper, formal, exec, prescribed, semiofficial, formalised, authority, formalized, precise, confirmed, fit, suitable, fitting, accepted
custodian (part of speech: noun)
authorized (part of speech: adjective)
judicial (part of speech: adjective)
reliable (part of speech: adjective)
canonical, definite, decisive, real, certain, accurate, incontestable, veritable, reliable, insured, sure, unverified, decided, indisputable, clear, faithful, unimpeachable, irrefutable, unequivocal, credible, trustworthy, absolute, standard, undeniable, unquestionable, valid, unreliable, authentic, true, unmistakable, genuine, guaranteed
treasurer (part of speech: noun)
- The lieutenant had no official duty to perform, and he was at liberty to go where he pleased. - "A Victorious Union SERIES: The Blue and the Gray--Afloat", Oliver Optic.
- The Tibetan official refused to meet us. - "An Explorer's Adventures in Tibet", A. Henry Savage Landor.
- Do you mean to say that the official in question is the man to whom I am to give this letter? - "Jennie Baxter, Journalist", Robert Barr.