noun (n)

• care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)(noun.act)

  Synonym:
  intervention
  

  source: wordnet30
• the management of someone or something(noun.act)

  Example:
  The treatment of water sewage.
  The right to equal treatment in the criminal justice system.
  

  Synonym:
  handling
  

  source: wordnet30
• a manner of dealing with something artistically(noun.attribute)

  Example:
  His treatment of space borrows from Italian architecture.
  

  source: wordnet30
• an extended communication (often interactive) dealing with some particular topic(noun.communication)

  Example:
  His treatment of the race question is badly biased.
  

  Synonym:
  discourse, discussion
  

  source: wordnet30
• The act or manner of treating; management; manipulation; handling; usage; as, unkind treatment; medical treatment.(noun)

  source: webster1913