Source : Webster's Revised Unabridged Dictionary (1913)

Erudite \Er"u*dite\ (?; 135), a. [L. eruditus, p. p. of erudire
   to free from rudeness, to polish, instruct; e out + rudis
   rude: cf. F. ['e]rudit. See {Rude}.]
   Characterized by extensive reading or knowledge; well
   instructed; learned. ``A most erudite prince.'' --Sir T.
   More. ``Erudite . . . theology.'' --I. Taylor. --
   {Er"u*dite`ly}, adv. -- {Er"u*dite`ness}, n.

Source : WordNet®

eruditeness
     n : profound scholarly knowledge [syn: {erudition}, {learnedness},
          {learning}, {scholarship}, {encyclopedism}, {encyclopaedism}]