interpolate

/in-ˈtər-pə-ˌlāt/

Latin interpolatus, past participle of interpolare to refurbish, alter, interpolate, from inter- + -polare (from polire to polish)

verb

  1. to alter or corrupt (something, such as a text) by inserting new or foreign matter

  2. to insert (words) into a text or into a conversation

  3. to insert between other things or parts : intercalate

introduce insert insinuate interpolate intercalate interpose interject mean to put between or among others. introduce is a general term for bringing or placing a thing or person into a group or body already in existence. insert implies putting into a fixed or open space between or among.