ENLIGHTEN
clear, clear up, shed light on, crystallize, crystallise, crystalize, crystalise, straighten out, sort out, enlighten, illuminate, elucidate
(verb) make free from confusion or ambiguity; make clear; “Could you clarify these remarks?”; “Clear up the question of who is at fault”
enlighten, irradiate
(verb) give spiritual insight to; in religion
enlighten, edify
(verb) make understand; “Can you enlighten me--I don’t understand this proposal”
Source: WordNet® 3.1
Etymology
Verb
enlighten (third-person singular simple present enlightens, present participle enlightening, simple past and past participle enlightened)
(transitive) To supply with light.
Synonyms: illumine, illuminate, Thesaurus:illuminate
Antonym: endarken
(transitive, figurative) To make something clear to (someone); to give knowledge or understanding to.
Synonyms: apprise, notify, inform
Source: Wiktionary
En*light"en, v. t. Etym: [Pref. en- + lighten: cf. AS. inlihtan. Cf.
Enlight.]
1. To supply with light; to illuminate; as, the sun enlightens the
earth.
His lightnings enlightened the world. Ps. xcvii. 4.
2. 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. Trench.
Source: Webster’s Unabridged Dictionary 1913 Edition