En*light"en (?), v. t. [Pref. en- + lighten: cf. AS. inlihtan. Cf. Enlight.]
To supply with light; to illuminate; as, the sun enlightens the earth.
His lightnings enlightened the world.
Ps. xcvii. 4.
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.
The conscience enlightened by the Word and Spirit of God.
© Webster 1913.