The Collaborative International Dictionary of English v.0.48:

Learned \Learn"ed\ (l[~e]rn"[e^]d), a.
   Of or pertaining to learning; possessing, or characterized
   by, learning, esp. scholastic learning; erudite;
   well-informed; as, a learned scholar, writer, or lawyer; a
   learned book; a learned theory.
   [1913 Webster]

         The learnedlover lost no time.           --Spenser.
   [1913 Webster]

         Men of much reading are greatly learned, but may be
         little knowing.                          --Locke.
   [1913 Webster]

         Words of learned length and thundering sound.
                                                  --Goldsmith.
   [1913 Webster]

   The learned, learned men; men of erudition; scholars. --
      Learn"ed*ly, adv. Learn"ed*ness, n.
      [1913 Webster]

            Every coxcomb swears as learnedly as they. --Swift.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

learnedness \learn"ed*ness\ n.
   profound knowledge.

   Syn: eruditeness, erudition, learning, scholarship.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

learnedness
    n 1: profound scholarly knowledge [syn: eruditeness,
         erudition, learnedness, learning, scholarship,
         encyclopedism, encyclopaedism]