Ascendant

Ascent; height; elevation.

The horoscope, or that degree of the ecliptic which rises above the horizon at the moment of one's birth; supposed to have a commanding influence on a person's life and fortune.

Superiority, or commanding influence; ascendency; as, one man has the ascendant over another.

An ancestor, or one who precedes in genealogy or degrees of kindred; a relative in the ascending line; a progenitor; -- opposed to descendant.

Alt. of Ascendent

someone from whom you are descended (but usually more remote than a grandparent)

position or state of being dominant or in control; "that idea was in the ascendant"