extrapolate
verb (used with object)
to infer (an unknown) from something that is known; conjecture.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But a process-oriented hard science fiction, one more extrapolative than allegorical, might inspire us to exercise our own world-building habits of mind.
From Slate ● Sep. 17, 2014