æn.tɪs.ɪˈpeɪ.ʃən ɛkspɛkˈteɪʃən ˈaʊtˌlʊk ˈpɹɒspɛkt ˈpɹɑspɛkt belief about (or mental picture of) the future the sum of the values of a random variable divided by the number of values the feeling that something is about to happen anticipating with confidence of fulfillment