There are several synonyms for the phrase "more circumambient" that can be used to express a similar idea. Some of these synonyms include words such as "more encompassing," which suggests a larger scope or range of influence. Another synonym might be "more pervasive," which implies something that is more prevalent or all-encompassing. "More extensive" is another good choice, indicating a broader or more far-reaching range. Other synonyms could include "more widespread," "more comprehensive," or "more all-encompassing," depending on the context in which the phrase is being used. All of these synonyms convey a sense of something that is prevalent or encompassing, and can be a useful way to add variety to your writing.