To introduce (something) between other things; especially to insert (possibly spurious) words into a text.
To estimate the value of a function between two points between which it is tabulated.
During the course of processing some data, and in response to a directive in that data, to fetch data from a different source and process it in-line along with the original data.
To infer by extending known information.
To estimate the value of a variable outside a known range from values within that range by assuming that the estimated value follows logically from the known ones
To alter or corrupt by the insertion of new or foreign matter; especially, to change, as a book or text, by the insertion of matter that is new, or foreign to the purpose of the author.
To fill up intermediate terms of, as of a series, according to the law of the series; to introduce, as a number or quantity, in a partial series, according to the law of that part of the series; to estimate a value at a point intermediate between points of knwon value. Compare extrapolate.