(1):

The way or means by which one ascends.

(2):

The act of rising; motion upward; rise; a mounting upward; as, he made a tedious ascent; the ascent of vapors from the earth.

(3):

An eminence, hill, or high place.

(4):

The degree of elevation of an object, or the angle it makes with a horizontal line; inclination; rising grade; as, a road has an ascent of five degrees.