adverb (r)

• to a moderately sufficient extent or degree(adv.all)

  Synonym:
  fairly, jolly, middling, passably, pretty, reasonably, somewhat
  Antonym:
  immoderately, unreasonably
  

  source: wordnet30
• with moderation; in a moderate manner(adv.all)

  Example:
  He drinks moderately.
  

  Antonym:
  immoderately
  

  source: wordnet30
• In a moderate manner or degree; to a moderate extent.(adverb)

  source: webster1913