Enlighten(v. t.) To supply with light; to illuminate; as, the sun enlightens the earth.
Enlighten(v. t.) To make clear to the intellect or conscience; to shed the light of truth and knowledge upon; to furnish with increase of knowledge; to instruct; as, to enlighten the mind or understanding.
Enlightener(n.) One who enlightens or illuminates; one who, or that which, communicates light to the eye, or clear views to the mind.
Enlightenment(n.) Act of enlightening, or the state of being enlightened or instructed.

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