WordNet sense 1 (used of a height or viewpoint):

commanding, overlooking

WordNet sense 2 ((literal meaning) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like `knee-high')):

high

WordNet sense 3 (most powerful or important or influential):

ascendant, ascendent

WordNet sense 4 (exercising influence or control):

dominant

WordNet sense 5 (offensively self-assured or given to exercising usually unwarranted power):

autocratic, bossy, magisterial, peremptory, high-and-mighty

WordNet sense 6 (tending to domineer):

domineering