noun (n)

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

  Example:
  The placement of the chairs.
  

  Synonym:
  arrangement
  

  source: wordnet30
• contact established between applicants and prospective employees(noun.act)

  Example:
  The agency provided placement services.
  

  source: wordnet30
• the act of putting something in a certain place(noun.act)

  Synonym:
  emplacement, locating, location, position, positioning
  

  source: wordnet30