Middle English (in the sense make luminous; formerly also as inlighten): in early use from Old English inlīhtanto shine; later from en-, in- (as an intensifier) + lighten or the noun light
英英释义网络释义
vern
1.make understand;
Can you enlighten me--I don't understand this proposal
2.give spiritual insight to; in religion
3.make free from confusion or ambiguity; make clear;