demonstrate >> /ˈdɛmənˌstreɪt/
Definition: [transitive verb] Give a practical exhibition and explanation of (how a machine, skill, or craft works or is performed)
Example: computerized design methods will be demonstrated
Definition: [transitive verb] Clearly show the existence or truth of (something) by giving proof or evidence.
Example: their shameful silence demonstrates their ineptitude
Definition: [transitive verb] Take part in a public demonstration.
Example: thousands demonstrated in favor of the government