demonstrate

(v) give an exhibition of to an interested audience
- She shows her dogs frequently
- We will demo the new software in Washington
demo, present, show, exhibit,
(v) 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
shew, prove, show, establish,
(v) 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
attest, certify, evidence, manifest,
(v) march in protest; take part in a demonstration
- Thousands demonstrated against globalization during the meeting of the most powerful economic nations in Seattle
march,

demo present show exhibit shew prove establish attest certify evidence manifest march

confute disprove

demonstrated