Drawing upon is a commonly used phrase that refers to utilizing or accessing something. However, there are a multitude of synonyms that can be used in place of this phrase to add variety and clarity to your writing. Some examples include tapping into, leveraging, utilizing, employing, making use of, harnessing, exploiting, borrowing from, taking advantage of, and using. By incorporating these synonyms into your writing, you can avoid repetition and add greater nuance and specificity to your language. Whether you are writing an academic paper, a business proposal, or a creative work, utilizing different synonyms for drawing upon can help elevate your language and communication.