Definition of expectation in English:

expectation

Line breaks: ex¦pect|ation
Pronunciation: /ɛkspɛkˈteɪʃ(ə)n
 
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noun

1A strong belief that something will happen or be the case: reality had not lived up to expectations [mass noun]: I sat down in expectation of a feast of nostalgia
More example sentences
  • They may simply sit tight in the expectation that the club's growth will continue and the value of their stake will rise further.
  • With this belief comes the expectation that a booming economy will beget social progress.
  • Simply to build as many houses as possible in the expectation that prices will fall significantly in the near future will not solve the problem.
Synonyms
1.1A belief that someone will or should achieve something: students had high expectations for their future
More example sentences
  • In fact, the low expectations for the president could even turn out to be a hidden advantage.
  • There are major problems with this approach, in terms of what it says about our low expectations of children.
  • Politicians have most of our aspirations pinned on them, with low expectations they will deliver.
1.2 (expectations) archaic One’s prospects of inheritance.
More example sentences
  • Then you must know that I have a devilish rich uncle in the East Indies, Sir Oliver Surface, from whom I have the greatest expectations.
  • O yes: I have what are called expectations!
  • Adopting the language of restitution leads to the return of unjust enrichment, while estoppel enables the son to receive his expectations.
Synonyms
prospects, prospects of inheritance, hopes, outlook, lookout
2 Mathematics another term for expected value.
More example sentences
  • This is equal to 8.5, and is called the expectation of the action in question.
  • The same expectation is obtained by either method.
  • The mathematical expectation of any bet is defined as follows: the sum of all possible gains and losses multiplied by their relative probabilities.

Phrases

manage expectations

(also manage someone's expectations)
Seek to prevent disappointment by establishing in advance what can realistically be achieved or delivered by a project, undertaking, course of action, etc. as the White House tries to paint a rosy economic picture, they are also trying to manage expectations the company needs to be very sure it has a hit or it should start managing its customers' expectations
More example sentences
  • After two or three iterations, his subordinates just started managing his expectations with wildly outsized guesses about project requirements, and outright lies about what they'd accomplished.
  • I hope my keep-it-simple approach makes it's clear where I'm coming from and manages expectations appropriately.
  • During the meeting, I worked to point out places where the customer's complaints were caused by the inability to properly set up and manage customer expectations.

Definition of expectation in: