noun (n)

• the activity of leading(noun.act)

  Example:
  His leadership inspired the team.
  

  Synonym:
  leading
  

  source: wordnet30
• the body of people who lead a group(noun.group)

  Example:
  The national leadership adopted his plan.
  

  Synonym:
  leaders
  

  source: wordnet30
• the status of a leader(noun.state)

  Example:
  They challenged his leadership of the union.
  

  source: wordnet30
• the ability to lead(noun.cognition)

  Example:
  He believed that leadership can be taught.
  

  source: wordnet30
• The office of a leader.(noun)

  source: webster1913