əˈtɛst

ˈdɛmənstɹeɪt ɪˈstæb.lɪʃ ˈɛvɪdəns ɪɡˈzɪbɪt ɪɡˈzɪbɪt ˈmæn.ɪ.fɛst pɹuːv ʃoʊ ʃəʊ ʃoʊ 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 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 give an exhibition of to an interested audience She shows her dogs frequently We will demo the new software in Washington march in protest; take part in a demonstration Thousands demonstrated against globalization during the meeting of the most powerful economic nations in Seattle