Noun
an inference about the future (or about some hypothetical situation) based on known facts and observations
(mathematics) calculation of the value of a function outside the range of known values
Source: WordNetAn extrapolation of its present rate of growth reveals that in the not too distant future Physical Review will fill bookshelves at a speed exceeding that of light. This is not forbidden by general relativity since no information is being conveyed. David Mermin
Induction is the process of taking things within our experience to be representative of the world outside our experience. It is a process of projection or extrapolation. Simon Blackburn
I have always believed that astrophysics should be the extrapolation of laboratory physics, that we must begin from the present universe and work our way backward to progressively more remote and uncertain epochs. Hannes Alfvén
Science fiction is, after all, the art of extrapolation. Michael Dirda
I'm not much interested in extrapolating science and technology; I merely use extrapolation as a means of putting people into new quandaries which produce colorful pressures and conflicts. Alfred Bester
I've been accused countless times of writing gloomy futures. But to me, the texture of my sci-fi just feels like an extrapolation of current trends. Richard Morgan