What is another word for "insertion"?

Another word for insertion depends on context, but synonyms include inclusion, introduction, implanting, placing, putting in, addition, interpolation, and embedding. Insertion means act of putting something into something else, so another word could be insertion also called implanting when referring to medical insertion of device, injection when referring to putting fluid, embedding when referring to placing object within material, addition when adding something extra, interpolation when inserting text into document, inclusion when including something. In medical context, insertion synonyms include implantation and introduction. In writing, insertion synonym is interpolation, addition, and insertion. In general, another word for insertion is inclusion, introduction, placement, putting in, adding, embedding, and implanting. For example, insertion of key into lock could be called introduction of key. So another word for insertion is inclusion, addition, introduction, implantation, embedding, and interpolation depending on whether referring to text, object, or medical device being inserted.