eclaircize
1eclaircize — v. a. (Modern.) Explain, unfold, expound, elucidate, illustrate, make plain, make clear …
2explain — I. v. a. 1. Interpret, elucidate, expound, illustrate, unfold, clear up, make plain, throw light upon, eclaircize (recent). 2. Account for, give the reasons for, make intelligible, solve, warrant, justify, reduce to law or to ascertained… …