extrapolate

• POS: Verb (usu participle)
• HYPHEN: ex=trap=o=late

OXFORD DICTIONARY

extrapolate, v.tr. (also absol.)
1 Math. & Philos. a calculate approximately from known values, data, etc. (others which lie outside the range of those known). b calculate on the basis of (known facts) to estimate unknown facts, esp. extend (a curve) on a graph.
2 infer more widely from a limited range of known facts.

Derivative

extrapolation n. extrapolative adj. extrapolator n.

Etymology

EXTRA- + INTERPOLATE

ROGET THESAURUS

extrapolate

Prediction

VB predict, prognosticate, prophesy, vaticinate, divine, foretell, soothsay, augurate, tell fortunes, cast a horoscope, cast a nativity, advise, forewarn, presage, augur, bode, abode, forebode, foretoken, betoken, prefigure, preshow, portend, foreshow, foreshadow, shadow forth, typify, pretypify, ominate, signify, point to, usher in, herald, premise, announce, lower, hold out expectation, raise expectation, excite expectation, excite hope, bid fair, promise, lead one to expect, be the precursor, extrapolate, project.