This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To infer or estimate by extending or projecting known information.

v. Mathematics To estimate (a value of a variable outside a known range) from values within a known range by assuming that the estimated value follows logically from the known values.

verb-intransitive. To engage in the process of extrapolating.

v. To infer by extending known information.

v. To estimate the value of a variable outside a known range from values within that range by assuming that the estimated value follows logically from the known ones

In mathematics and astronomy, to determine (a value or quantity) by carrying out an empirical formula beyond the limits of the data from which the formula has been deduced. The results are usually more or less doubtful. See interpolate.

v. estimate the value of

v. draw from specific cases for more general cases

v. gain knowledge of (an area not known or experienced) by extrapolating

"Sadly, many now extrapolate from the sins of a few bad apples like Enron and Countrywide to blame big companies for America's fall from grace."

interpolate   

extrapolated    extrapolates    extrapolating   

cypher    reckon    figure    calculate    cipher    compute    work out    infer    deduct    deduce   

extrapolation    extrapolative    extrapolator