There are many synonyms for the phrase "dramatically assist". Some examples include "significantly aid", "greatly support", "vastly improve", "substantially boost", "markedly benefit", "drastically enhance", and "considerably bolster". All of these phrases convey a sense of significant and impactful assistance. These synonyms can be useful in a variety of contexts, from describing how a person's actions have helped a team succeed to explaining the benefits of a particular product or service. Whether in professional or personal communication, using these alternative phrases can help emphasize the degree of support provided and the positive impact that has been made.