demonstrate

英['demənstreɪt] 美['dɛmən'stret]

1. show or demonstrate something to an interested audience;

"She shows her dogs frequently"

"We will demo the new software in Washington"

2. establish the validity of something, as by an example, explanation or experiment;

"The experiment demonstrated the instability of the compound"

"The mathematician showed the validity of the conjecture"

3. provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes;

"His high fever attested to his illness"

"The buildings in Rome manifest a high level of architectural sophistication"

"This decision demonstrates his sense of fairness"

4. march in protest; take part in a demonstration;

"Thousands demonstrated against globalization during the meeting of the most powerful economic nations in Seattle"