demonstration

noun

1. a show or display; the act of presenting something to sight or view

   noun.act

   Examples

   He gave the customer a demonstration.

   Synonyms presentation presentment

   Source: WordNet 3.0

2. a show of military force or preparedness

   noun.act

   Examples

   He confused the enemy with feints and demonstrations.

   Source: WordNet 3.0

3. a public display of group feelings (usually of a political nature)

   noun.act

   Examples

   There were violent demonstrations against the war.

   Synonyms manifestation

   Source: WordNet 3.0

4. proof by a process of argument or a series of proposition proving an asserted conclusion

   noun.communication

   Synonyms monstrance

   Source: WordNet 3.0

5. a visual presentation showing how something works

   noun.communication

   Examples

   The lecture was accompanied by dramatic demonstrations.

   The lecturer shot off a pistol as a demonstration of the startle response.

   Synonyms demo

   Source: WordNet 3.0

6. The act of demonstrating; an exhibition; proof; especially, proof beyond the possibility of doubt; indubitable evidence, to the senses or reason.

   noun

   Source: webster1913