estimate is on the Academic Word List.

Pronunciation

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noun
verb

Singular
estimate

Plural
estimates

  1. (countable) An estimate is a judgement of a size, value, amount, cost, etc., which is based on incomplete information.
    British Telecom will give you an estimate of the cost before doing any work.
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Plain form
estimate

Third-person singular
estimates

Past tense
estimated

Past participle
estimated

Present participle
estimating

Estimate is on the Academic Vocabulary List.
  1. (transitive & intransitive) If you estimate the number, size, value, amount, cost, etc. of something, you guess based on incomplete information.
    It's difficult to estimate how long it will take to get to London because we don't know how bad the traffic will be.