ascendent (Adjective) — Tending or directed upward. ex. "rooted and ascendent strength like that of foliage"
ascendent (Adjective) — Most powerful, important or influential. ex. "the economically ascendent class"
ascendent (Noun) — Position or state of being dominant or in control.
ascendent (Noun) — Someone from whom you are descended (but usually more remote than a grandparent).