semiofficial

from WordNet (r) 3.0 (2006)

semiofficial
    adj 1: having some official authority or sanction

from The Collaborative International Dictionary of English v.0.48

Semiofficial \Sem`i*of*fi"cial\, a.
   Half official; having some official authority or importance;
   as, a semiofficial statement. -- {Sem`i*of*fi"cial*ly}, adv.
   [1913 Webster] Semiology
   Semiography