enlighten

(verb) make understand. Synonyms: edify. Example: "Can you enlighten me--i don't understand this proposal."

(verb) give spiritual insight to; in religion. Synonyms: irradiate.

(verb) make free from confusion or ambiguity; make clear. Synonyms: clear, clear up, shed light on, crystallize, crystallise, crystalize, crystalise, straighten out, sort out, illuminate, elucidate. Examples: "Could you clarify these remarks?." "Clear up the question of who is at fault."