Eclaircise

• (v. t.) To make clear; to clear up what is obscure or not understood; to explain.
Found on http://thinkexist.com/dictionary/meaning/eclaircise/

Eclaircise

E·clair'cise transitive verb [ French éclaircir ; prefix es- (L. ex ) + clair clear, Latin clarus .] To make clear; to clear up what is obscure or not understood; to explain.
Found on http://www.encyclo.co.uk/webster/E/6

eclaircise

to clear up
Found on http://phrontistery.info/e.html
No exact match found