#1
expectation n. [
outlook, prospect] belief about (or mental picture of) the future
. wn #2
expectation n. [
anticipation] anticipating with confidence of fulfillment
. wn #3
expectation n. the feeling that something is about to happen
. wn #4
expectation n. [
arithmetic mean, first moment, expected value] the sum of the values of a random variable divided by the number of values
. wn