The noun forms for the verb to ascend are ascendance, ascendancy, ascent, and the gerund, ascending.

An ascender is a portion of a lower-case letter which extends above the midline of a typeface.

The ascendancy of the Angels of the Lord was so smooth and so confident.

They led to the ascendancy of Sparta, displaced by Thebes, the dominance of Macedonian and its takeover of the Persian Empire.

Control over the weak and the poor is the primary key to social dominance.