extrapolate

When you extrapolate, you use specific details to make a general conclusion. For example, if you travel to Canada and encounter only friendly, kind natives, you might extrapolate that all Canadians are friendly.

The verb extrapolate can mean "to predict future outcomes based on known facts." For example, looking at your current grade report for math and how you are doing in class now, you could extrapolate that you'll likely earn a solid B for the year. Another meaning of extrapolate is "estimate the value of." You could extrapolate how much your antique watch is worth by finding how much similar watches sold for at recent auctions.

Definitions of extrapolate
  1. verb
    draw from specific cases for more general cases
    synonyms: generalise, generalize, infer
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    types:
    overgeneralise, overgeneralize
    draw too general a conclusion
    universalise, universalize
    make universal
    type of:
    conclude, reason, reason out
    decide by reasoning; draw or come to a conclusion
  2. verb
    estimate the value of
    synonyms: interpolate
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    type of:
    calculate, cipher, compute, cypher, figure, reckon, work out
    make a mathematical calculation or computation
  3. verb
    gain knowledge of (an area not known or experienced) by extrapolating
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    type of:
    deduce, deduct, derive, infer
    reason by deduction; establish by deduction
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