- Expectation is defined as believing that something is going to happen or believing that something should be a certain way.
- An example of expectation is a belief that you will be getting promoted.
- An example of expectation is a belief that you should behave as a proper lady or gentleman.
- a looking forward to; anticipation
- a looking for as due, proper, or necessary
- a thing looked forward to
- a reason or warrant for looking forward to something; prospect for the future, as of advancement or prosperity
- the probability of the occurrence, duration, etc. of something, esp. as indicated by statistics
Origin of expectationClassical Latin expectatio ; from past participle of expectare: see expect
- a. The act of expecting.b. Eager anticipation: eyes shining with expectation.
- The state of being expected.
- a. Something expected: a result that did not live up to expectations.b. expectations Prospects, especially of success or gain.
- Statistics a. The expected value of a random variable.b. The mean of a random variable.
- The act or state of expecting or looking forward to an event as about to happen.
- That which is expected or looked for.
- The prospect of the future; grounds upon which something excellent is expected to occur; prospect of anything good to come, especially of property or rank.
- The value of any chance (as the prospect of prize or property) which depends upon some contingent event.
- (statistics) The first moment; the long-run average value of a variable over many independent repetitions of an experiment.
- (colloquial statistics) the arithmetic mean
- (medicine, rare) The leaving of a disease principally to the efforts of nature to effect a cure.
- (value of any chance): Expectations are computed for or against the occurrence of the event.
From Middle French expectation, from Latin expectatio, expectationem, from expectare.