The word "concatenative" refers to the process of joining together separate elements or strings to form a single entity. There are numerous synonyms for this term, including "linked," "chained," "connected," "united," and "assembled." Other possible synonyms include "conjoined," "merged," "integrated," "interlocked," and "interconnected." Depending on the context, certain synonyms may be more appropriate than others. For instance, the term "integrated" might be used when describing the process of combining software modules, while "chained" could be used when referring to a series of interconnected musical compositions. Regardless of the specific synonym used, all of these words convey the idea of bringing separate entities together to form a cohesive whole.