There are many synonyms for the phrase "to a greater extent," each with its own connotation and context. Some options include "more profoundly," "increasingly," "to a higher degree," "more excessively," "with greater intensity," "further," and "to a larger extent." Each variation can be used to express a stronger degree of emphasis or amplify the impact of a statement. It can be helpful to experiment with different synonyms for "to a greater extent" to add variety and depth to your writing. Ultimately, the most appropriate synonym will depend on the specific situation, tone, and intended meaning of the sentence.