English to English

noun (n)

• a show or display; the act of presenting something to sight or view(noun.act)

  Example:
  He gave the customer a demonstration.
  

  Synonym:
  presentation, presentment
  

  source: wordnet30
• a show of military force or preparedness(noun.act)

  Example:
  He confused the enemy with feints and demonstrations.
  

  source: wordnet30
• a public display of group feelings (usually of a political nature)(noun.act)

  Example:
  There were violent demonstrations against the war.
  

  Synonym:
  manifestation
  

  source: wordnet30
• proof by a process of argument or a series of proposition proving an asserted conclusion(noun.communication)

  Synonym:
  monstrance
  

  source: wordnet30
• a visual presentation showing how something works(noun.communication)

  Example:
  The lecture was accompanied by dramatic demonstrations.
  The lecturer shot off a pistol as a demonstration of the startle response.
  

  Synonym:
  demo
  

  source: wordnet30
• The act of demonstrating; an exhibition; proof; especially, proof beyond the possibility of doubt; indubitable evidence, to the senses or reason.(noun)

  source: webster1913