elucidate

英 [ɪ'l(j)uːsɪdeɪt] 美[ɪ'lusɪdet]

1. make clear and (more) comprehensible;: "clarify the mystery surrounding her death"

2. make free from confusion or ambiguity; make clear;: "Could you clarify these remarks?"; "Clear up the question of who is at fault"