There are several synonyms that can be used instead of "drinks one draft". Some of the most common alternatives include "downs a pint", "chugs a mug", "quaffs a glass", "sips a brew", and "gulps a draft". Each of these phrases conveys the same general meaning as "drinks one draft", but with slight variations in tone and emphasis. For example, "chugging a mug" suggests a quick, enthusiastic consumption of the beverage, while "quaffing a glass" implies a more refined and leisurely drinking experience. Ultimately, the choice of synonym will depend on the specific context and the desired tone of the message you are trying to convey.