The phrase "more assurgent" can be replaced with a variety of synonyms, depending on the context. If referring to someone's career or success, words such as "rising," "ascending," and "climbing" may be applicable. If describing a physical posture, synonyms such as "upright," "erect," and "standing tall" might be more fitting. In a medical or scientific context, "increasing," "elevating," or "escalating" could be used to describe a growing health concern or trend. In general, the phrase "more assurgent" can be substituted with any word or phrase that emphasizes growth, progress, or advancement.