Source : Webster's Revised Unabridged Dictionary (1913)

Elucidation \E*lu`ci*da"tion\, n. [Cf. F. ['e]lucidation.]
   A making clear; the act of elucidating or that which
   elucidates, as an explanation, an exposition, an
   illustration; as, one example may serve for further
   elucidation of the subject.

Source : WordNet®

elucidation
     n 1: an act of explaining that serves to clear up and cast light
          on
     2: an interpretation that removes obstacles to understanding;
        "the professor's clarification helped her to understand
        the textbook" [syn: {clarification}, {illumination}]