noun (n)

• the thing arranged or agreed to(noun.cognition)

  Example:
  They made arrangements to meet in Chicago.
  

  Synonym:
  agreement
  

  source: wordnet30
• an orderly grouping (of things or persons) considered as a unit; the result of arranging(noun.group)

  Example:
  A flower arrangement.
  

  source: wordnet30
• an organized structure for arranging or classifying(noun.cognition)

  Example:
  He changed the arrangement of the topics.
  

  Synonym:
  organisation, organization, system
  

  source: wordnet30
• the spatial property of the way in which something is placed(noun.attribute)

  Example:
  The arrangement of the furniture.
  

  Synonym:
  placement
  

  source: wordnet30
• a piece of music that has been adapted for performance by a particular set of voices or instruments(noun.communication)

  Synonym:
  musical arrangement
  

  source: wordnet30
• the act of arranging and adapting a piece of music(noun.act)

  Synonym:
  arranging, transcription
  

  source: wordnet30
• The act of arranging or putting in an orderly condition; the state of being arranged or put in order; disposition in suitable form.(noun)

  source: webster1913