musefully

• a word derived from muse.
  muse

  verb (used without object)

  to think or meditate in silence, as on some subject.
• a word derived from museful.
  museful

  adjective

  deeply thoughtful; pensive.

More Suggestions

• ruefully
• carefully
• dutifully
• gleefully
• hopefully
• purposefully
• remorsefully
• useful
• wistfully