There are various synonyms that can be used instead of the phrase "paid the bill." Some of these include "settled the account," "cleared the balance," "footed the check," "covered the expenses," and "squared up the tab." Each of these phrases carries a slightly different connotation, making them suitable for use in different contexts. For instance, "settled the account" can be used in a professional setting, whereas "footed the check" might be more appropriate in a casual environment. Regardless of which synonym is chosen, they all convey the same meaning, which is to describe the act of paying a bill or an expense.