deduction; the act of logically drawing a conclusion from known facts; the conclusion thus derived
By extrapolation from current trends, scientists predict that world temperatures will rise by twenty degrees within the next century.
During election time many news channels show extrapole of elections they just try to make predict who will going to win election based on current known information extrapolation is similar hw much EXTRA did PAUL ATE ? u will hav 2 guess that!:D i. e Infer, conjecture