adverb (r)

• in a close relation or position in time or space(adv.all)

  Example:
  The onsets were closely timed.
  Houses set closely together.
  Was closely involved in monitoring daily progress.
  

  source: wordnet30
• in an attentive manner(adv.all)

  Synonym:
  close, tight
  

  source: wordnet30
• in a close manner(adv.all)

  Synonym:
  intimately, nearly
  

  source: wordnet30
• In a close manner.(adverb)

  source: webster1913