Answer: extrapolates

AnswerCrossword Clue
extrapolatesExtend (a graph, curve, or range of values) by inferring unknown values from trends in the known data
extrapolatesEstimate or conclude (something) in this way
extrapolatesEXTRAPOLATE, to infer (values of a variable in an unobserved interval) from values within an already observed interval
extrapolatesExtend the application of (a method or conclusion, esp. one based on statistics) to an unknown situation by assuming that existing trends will continue or similar methods will be applicable