adverb (r)

• in a manner or to an extent that is well known(adv.all)

  Example:
  In his famously anecdotal style.
  

  source: wordnet30
• extremely well(adv.all)

  Example:
  We got along famously.
  

  Synonym:
  big, excellently, magnificently, splendidly
  

  source: wordnet30
• In a famous manner; in a distinguished degree; greatly; splendidly.(adverb)

  source: webster1913