Source : Webster's Revised Unabridged Dictionary (1913)

Elucidate \E*lu"ci*date\, v. t. [imp. & p. p. {Elucidated}; p.
   pr. & vb. n. {Elucidating}.] [LL. elucidatus, p. p. of
   elucidare; e + lucidus full of light, clear. See {Lucid}.]
   To make clear or manifest; to render more intelligible; to
   illustrate; as, an example will elucidate the subject.

Source : WordNet®

elucidate
     v 1: make clear and (more) comprehensible; "clarify the mystery
          surrounding her death" [syn: {clarify}, {clear up}]
          [ant: {obfuscate}]
     2: make free from confusion or ambiguity; make clear; "Could
        you clarify these remarks?"; "Clear up the question of who
        is at fault" [syn: {clear}, {clear up}, {shed light on}, {crystallize},
         {crystallise}, {crystalize}, {crystalise}, {straighten
        out}, {sort out}, {enlighten}, {illuminate}]