dɛmənˈstɹeɪʃən ˌnəʊtɪfɪˈkeɪʃən ˌnoʊtɪfɪˈkeɪʃən ˌpɹɛzənˈteɪʃən pɹɪˈzɛntmənt a show or display; the act of presenting something to sight or view the presentation of new data he gave the customer a demonstration an accusation of crime made by a grand jury on its own initiative a document that must be accepted and paid by another person