The crossword solution for the term JOIN TOGETHER; MERGE is ELIDE, which is a five-letter word. ELIDE is a verb that means to combine or merge two or more elements into one, or to omit or leave out a part of something. It is often used in literature and poetry to refer to the omission of a sound or syllable from the middle of a word. ELIDE is also used in mathematics to refer to the merging of two or more equations into one.