royally

from WordNet (r) 3.0 (2006)

royally
    adv 1: in a royal manner; "they were royally treated" [syn:
           {royally}, {like kings}, {like royalty}]

from The Collaborative International Dictionary of English v.0.48

Royally \Roy"al*ly\, adv.
   In a royal or kingly manner; like a king; as becomes a king.
   [1913 Webster]

         His body shall be royally interred.      --Dryden.
   [1913 Webster]