ex·trap·o·late/ikˈstrapəˌlāt/

- Verb

1. Extend the application of (a method or conclusion, esp. one based on statistics) to an unknown situation by assuming that existing trends will continue or similar methods will be applicable
2. Estimate or conclude (something) in this way
3. Extend (a graph, curve, or range of values) by inferring unknown values from trends in the known data