A longing to enlighten her was strong in him; and there were moments when he imagined that all she asked was to be enlightened.
He meant her (thanks to his enlightening companionship) to develop a social tact and readiness of wit enabling her to hold her own with the most popular married women of the "younger set," in which it was the recognised custom to attract masculine homage while playfully discouraging it.
There are no more uses of "enlighten" in the book.
Show samples from other sources
Can you enlighten me—I don’t understand this proposal