n The act or state of expecting or looking forward to an event as about to happen.
n That which is expected or looked for.
n 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.
n The value of any chance (as the prospect of prize or property) which depends upon some contingent event.
n (statistics) The first moment; the long-run average value of a variable over many independent repetitions of an experiment.
n (context|colloquial statistics) the arithmetic mean
n (medicine)(rare) The leaving of a disease principally to the efforts of nature to effect a cure.