The word "boundaried" can be replaced with different synonyms depending on the context. For geographical locations or properties, the word "demarcated" or "bounded" describes the clear boundaries of certain territories. In human relationships, the word "respectful" or "considerate" can illustrate the boundaries that are respected or acknowledged. For psychological or emotional references, the term "self-aware" or "self-regulated" can be used to describe the capacity to establish healthy boundaries. Ultimately, the right synonym will depend on the intended tone and context of the text. By having a range of synonyms to choose from, writers can accurately convey the message they want to express without repeating the same words.