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extrapolate

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verb [intransitive/transitive] extrapolate pronunciation in American English /ɪkˈstræpəˌleɪt/ 
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present tense
I/you/we/theyextrapolate
he/she/itextrapolates
present participleextrapolating
past tenseextrapolated
past participleextrapolated
  1. 1
    formal to say what is likely to happen or be true by using information that you already have

    It's possible to predict students' success by extrapolating from current exam scores.

derived word

extrapolation

 extrapolate pronunciation in American English /ɪkˌstræpəˈleɪʃ(ə)n/  noun [countable/uncountable]
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singularextrapolation
pluralextrapolations

creep

used with other nouns to describe the unexpected and often unwanted effects of a particular situation or trend

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sandwich woman

a woman in middle age who has to juggle caring for teenage children and ageing parents with a career

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