The Collaborative International Dictionary of English v.0.48:

Bewilderment \Be*wil"der*ment\, n.
   1. The state of being bewildered.
      [1913 Webster]

   2. A bewildering tangle or confusion.
      [1913 Webster]

            He . . . soon lost all traces of it amid
            bewilderment of tree trunks and underbrush.
                                                  --Hawthorne.
      [1913 Webster]

WordNet (r) 3.0 (2006):

bewilderment
    n 1: confusion resulting from failure to understand [syn:
         bewilderment, obfuscation, puzzlement,
         befuddlement, mystification, bafflement,
         bemusement]