κατεξουσιάζουσιν [2 verses](verb 3rd pl pres ind act) "Exercise authority" is katexousiazo, which gets translated "to have power," "to exercise power," and "to be the master of a body." From kata, which means "downwards," "down from," "down into," and "against." And a verb from of exousia which means "control," "the power of choice," "permission," "the power of authority," "the right of privilege," "abundance of means," and "abuse of power."