The antonyms for the word "dis-joining" are many, and they include the terms joining, connecting, combining, uniting, assembling, and merging. These words signify the opposite of dis-joining, which is the act of separating or disconnecting something that was initially joined or united. Joining, connecting, and merging, for instance, refer to the process of bringing things together to form a union, bond, or cohesive whole. On the other hand, uniting and combining imply the coming together of two or more parts to create a single entity or create a more substantial and unified entity. Besides, assembling indicates the process of putting together individual parts to form a comprehensive structure.