Unquestionably, Edmond’s star is in the ascendant, and he will marry the splendid girl—he will be captain, too, and laugh at us all, unless"—a sinister smile passed over Danglars’ lips—"unless I take a hand in the affair," he added.
There are no more uses of "ascendant" in the book.
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Secularism dominates Europe, but Islam is ascendant.
Our core values of freedom and opportunity are ascendant around the globe.