The Collaborative International Dictionary of English v.0.48:

Bewilder \Be*wil"der\, v. t. [imp. & p. p. Bewildered; p. pr.
   & vb. n. Bewildering.] [Pref. be- + wilder.]
   To lead into perplexity or confusion, as for lack of a plain
   path; to perplex with mazes; or in general, to perplex or
   confuse greatly.
   [1913 Webster]

         Lost and bewildered in the fruitless search. --Addison.
   [1913 Webster]

   Syn: To perplex; puzzle; entangle; confuse; confound;
        mystify; embarrass; lead astray.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bewildering \Be*wil"der*ing\, a.
   Causing bewilderment or great perplexity; as, bewildering
   difficulties. -- Be*wil"der*ing*ly, adv.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "bewildering":
   baffling, beguiling, bothering, confounding, confusing,
   discomposing, disconcerting, dismaying, distracting, disturbing,
   embarrassing, enigmatic, exceptional, extraordinary, fabulous,
   fantastic, fascinating, incomprehensible, inconceivable,
   incredible, intricate, marvelous, miraculous, mysterious,
   mystifying, outlandish, passing strange, perplexing, perturbing,
   phenomenal, problematic, prodigious, puzzling, rare, remarkable,
   sensational, strange, striking, stupendous, unheard-of,
   unimaginable, unique, unprecedented, upsetting, wonderful,
   wondrous