officially

from WordNet (r) 3.0 (2006)

officially
    adv 1: in an official role; "officially, he is in charge";
           "officially responsible" [ant: {unofficially}]
    2: with official authorization; "the club will be formally
       recognized" [syn: {formally}, {officially}]

from The Collaborative International Dictionary of English v.0.48

Officially \Of*fi"cial*ly\, adv.
   By the proper officer; by virtue of the proper authority; in
   pursuance of the special powers vested in an officer or
   office; as, accounts or reports officially verified or
   rendered; letters officially communicated; persons officially
   notified.
   [1913 Webster]