D defs.my
Entry 1 sense Webster, 1913

Royally

/roi'-əl-ē/ · Roy·al·ly · IPA /rˈɔɪəliː/
01 adv. In a royal or kingly manner; like a king; as becomes a king.
  1. 1.
    In a royal or kingly manner; like a king; as becomes a king.
    “His body shall be royally interred.” Dryden.