to determine by agreement or by litigation the precise amount of (indebtedness); or, where there is an indebtedness to more than one person, to determine the precise amount of (each indebtedness); to make the amount of (an indebtedness) clear and certain.-in an extended sense: to ascertain the amount, or the several amounts, of , and apply assets toward the discharge of (an indebtedness).-to discharge; to pay off, as an indebtedness.-to make clear and intelligible.-to make liquid.