as·cen·dance /əˈsɛndən(t)s/
  優越;權勢;主權
  As·cend·an·cy As·cend·ance n. Same as Ascendency.
  ◄ ►
  ascendance
       n : the state that exists when one person or group has power
           over another; "her apparent dominance of her husband was
           really her attempt to make him pay attention to her"
           [syn: dominance, ascendence, ascendancy, ascendency,
            control]