verb (v)

• make understand(verb.communication)

  Example:
  Can you enlighten me--I don't understand this proposal.
  

  Synonym:
  edify
  

  source: wordnet30
• give spiritual insight to; in religion(verb.communication)

  Synonym:
  irradiate
  

  source: wordnet30
• make free from confusion or ambiguity; make clear(verb.cognition)

  Synonym:
  clear, clear up, crystalise, crystalize, crystallise, crystallize, elucidate, illuminate, shed light on, sort out, straighten out
  

  source: wordnet30
• To supply with light; to illuminate; as, the sun enlightens the earth.(verb)

  source: webster1913