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.
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         Lost and bewildered in the fruitless search. --Addison.
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   Syn: To perplex; puzzle; entangle; confuse; confound;
        mystify; embarrass; lead astray.
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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]