📒 to estimate something or form an opinion about something, using the facts that you have now and that are relevant to one situation and supposing that they will be relevant to the new one
extrapolate (from/to something) The figures were obtained by extrapolating from past trends.
Try not to extrapolate too much from your own experience.
extrapolate something (from/to something) We have extrapolated these results from research done in other countries.