There are various synonyms for the phrase "be obedient to," each with its own nuances. One common synonym is "comply with," which suggests following rules or instructions. "Submit to" often implies a sense of authority or hierarchy, while "abide by" conveys a sense of adherence to a principle or law. "Conform to" emphasizes fitting in with a certain group or norm. Another synonym, "yield to," suggests giving in to someone else's wishes or desires. Ultimately, each synonym offers a slightly different shade of meaning, but all convey the idea of following someone else's lead or respecting their authority.