extrapolate
/ɪkˈstræpəleɪt/
verb
- To estimate or infer something unknown by using known facts or data; to extend a trend or pattern beyond the observed range.
- Scientists extrapolate future climate changes from current data.
- It's risky to extrapolate a whole person's character from one mistake.
- We can extrapolate the company's growth from last year's sales figures.