a show of military force or preparedness; "he confused the enemy with feints and demonstrations"
a public display of group feelings (usually of a political nature); "there were violent demonstrations against the war"
proof by a process of argument or a series of proposition proving an asserted conclusion
a visual presentation showing how something works; "the lecture was accompanied by dramatic demonstrations"; "the lecturer shot off a pistol as a demonstration of the startle response"
someone who sees an event and reports what happened
(law) a person who attests to the genuineness of a document or signature by adding their own signature
(law) a person who testifies under oath in a court of law
be a witness to; "She witnessed the accident and had to testify in court"
perceive or be contemporaneous with; "We found Republicans winning the offices"; "You'll see a lot of cheating in this school"; "The 1960's saw the rebellion of the younger generation against established traditions"; "I want to see results"
based on custom rather than documentation; "an unwritten law"; "rites...so ancient that they well might have had their unwritten origins in Aurignacian times"- J.L.T.C.Spence