"Join together" is a commonly used phrase that refers to connecting or combining two or more things. However, there are many synonyms that can be used to convey the same meaning. Some examples include "unite," "merge," "combine," "link," "connect," "blend," "meld," "fuse," "incorporate," "integrate," and "converge." Each of these words expresses the idea of bringing two or more entities together in some way, whether it be physically or figuratively. By using synonyms for "join together," writers and speakers can add variety and nuance to their language while still conveying the same core meaning.