extrapolation

About 1.58 uses per million words.

Meaning

1. noun A calculation of an estimate of the value of some function outside the range of known values.
2. noun An inference about some hypothetical situation based on known facts.
3. noun The diametric opposite of interpolation.

Similar words

inference extension projection bridging scaling dose toxicity prediction forecast deduction

Often followed by

of from to is and method in for methods