The phrase "this much" refers to a certain quantity or degree of something. There are several synonyms for this term, which can help to add variety and precision to your writing or speech. Some potential alternatives include "this amount," "to this extent," "to this degree," "this far," "this level," "this magnitude," "this measure," and "this portion." Choosing the right synonym depends on the context in which it is used, as well as the tone and style of the piece. By incorporating a variety of synonyms for "this much," you can enrich your language and communicate your ideas more effectively.