noun (n)

• a military campaign designed to achieve a specific objective in a foreign country(noun.act)

  Synonym:
  hostile expedition, military expedition
  

  source: wordnet30
• an organized group of people undertaking a journey for a particular purpose(noun.group)

  Example:
  An expedition was sent to explore Mars.
  

  source: wordnet30
• a journey organized for a particular purpose(noun.act)

  source: wordnet30
• a journey taken for pleasure(noun.act)

  Synonym:
  excursion, jaunt, junket, outing, pleasure trip, sashay
  

  source: wordnet30
• the property of being prompt and efficient(noun.attribute)

  Synonym:
  despatch, dispatch, expeditiousness
  

  source: wordnet30
• The quality of being expedite; efficient promptness; haste; dispatch; speed; quickness; as to carry the mail with expedition.(noun)

  source: webster1913