adverb (r)

• without doubt or question(adv.all)

  Example:
  They were clearly lost.
  History has clearly shown the folly of that policy.
  

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

  Synonym:
  intelligibly, understandably
  Antonym:
  unintelligibly, ununderstandably
  

  source: wordnet30
• clear to the mind; with distinct mental discernment(adv.all)

  Example:
  I could clearly see myself in his situation.
  

  Synonym:
  distinctly
  

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

  Example:
  Could be seen clearly under the microscope.
  

  Synonym:
  clear
  

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

  source: webster1913