ascendant

(noun) position or state of being dominant or in control. Synonyms: ascendent. Example: "That idea was in the ascendant."

(noun) someone from whom you are descended (but usually more remote than a grandparent). Synonyms: ancestor, ascendent, antecedent, root.

(adj) tending or directed upward. Synonyms: ascendent, ascensive. Example: "Rooted and ascendant strength like that of foliage"- john ruskin."

(adj) most powerful or important or influential. Synonyms: ascendent, dominating. Examples: "The economically ascendant class." "D-day is considered the dominating event of the war in europe."