Synonyms for Elucidate (same or very similar meaning)
WordNet sense 1 (make clear and (more) comprehensible):
clarify, clear upWordNet sense 2 (make free from confusion or ambiguity; make clear):
clear, crystallize, enlighten, illuminate, crystalise, crystalize, crystallise, straighten out, shed light on, sort outFrom the ODE community, based on WordNetadd/edit