1To take precedence over by virtue of superior authority; to overrule, countermand (an order, ruling, action, etc.).
2To cause (a person, his or her actions, conduct, or thoughts) to be directed in a particular way; to influence with regard to some decision or course of action; to persuade or prevail upon.
3To overpower by being of greater strength, intensity, etc.; to dominate, overwhelm.
4To cause to lean or swing over, or to overturn; to sway over or beyond (something). Also without object: to lean over or downwards.
Late 16th century (in an earlier sense). From over- + sway.