"Halfway" is a common synonym for the term "have way." It refers to the midpoint of a particular task or journey, suggesting that one has completed precisely 50% of the work or travel required. "Midway" is another synonym that has the same underlying meaning and connotation, suggesting a literal or metaphorical halfway point. Some other options might include "in the middle," "at the midpoint," "at half the distance," or simply "half completed." Regardless of the phrasing used, these synonyms all convey the same sense of being halfway through a particular task, journey, or process.