interpolate

v. (-ting) 1 a insert (words) in a book etc., esp. Misleadingly. B make such insertions in (a book etc.). 2 interject (a remark) in a conversation. 3 estimate (values) between known ones in the same range.  interpolation n. Interpolator n. [latin interpolo furbish]

v. t. To renew; to carry on with intermission.