ascendant
adjective
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most powerful or important or influential“the economically ascendant class”dominating
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tending or directed upward“rooted and ascendant strength like that of foliage- John Ruskin”ascendentascensive
noun
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someone from whom you are descended (but usually more remote than a grandparent)antecedent
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position or state of being dominant or in control“that idea was in the ascendant”ascendent