noun (n)

• a point asserted as part of an argument(noun.communication)

  source: wordnet30
• a contentious speech act; a dispute where there is strong disagreement(noun.communication)

  Synonym:
  arguing, argument, contestation, controversy, disceptation, disputation, tilt
  

  source: wordnet30
• the act of competing as for profit or a prize(noun.act)

  Example:
  The teams were in fierce contention for first place.
  

  Synonym:
  competition, rivalry
  Antonym:
  cooperation
  

  source: wordnet30
• A violent effort or struggle to obtain, or to resist, something; contest; strife.(noun)

  source: webster1913