That Lucy had certainly meant to deceive, to go off with a flourish of malice against him in her message by Thomas, was perfectly clear to Elinor; and Edward himself, now thoroughly enlightened on her character, had no scruple in believing her capable of the utmost meanness of wanton ill-nature.
There are no more uses of "enlightened" in the book.
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This is a more enlightened age.
In less enlightened times, the best way to impress women was to own a hot car. But women wised up and realized it was better to buy their own hot cars so they wouldn’t have to ride around with jerks.