Source : Webster's Revised Unabridged Dictionary (1913)

Daze \Daze\ (d[=a]z), v. t. [imp. & p. p. {Dazed} (d[=a]zd); p.
   pr. & vb. n. {Dazing}.] [OE. dasen, prob. from Icel. dasask
   to become weary, a reflexive verb; cf. Sw. dasa to lie idle,
   and OD. daesen to be foolish, insane, daes, dwaes, D. dwaas,
   foolish, insane, AS. dw[=ae]s, dysig, stupid. [root]71. Cf.
   {Dizzy}, {Doze}.]
   To stupefy with excess of light; with a blow, with cold, or
   with fear; to confuse; to benumb.

         While flashing beams do daze his feeble eyen.
                                                  --Spenser.

         Such souls, Whose sudden visitations daze the world.
                                                  --Sir H.
                                                  Taylor.

         He comes out of the room in a dazed state, that is an
         odd though a sufficient substitute for interest.
                                                  --Dickens.

Source : WordNet®

dazed
     adj 1: in a state of mental numbness especially as resulting from
            shock; "he had a dazed expression on his face"; "lay
            semiconscious, stunned (or stupefied) by the blow";
            "was stupid from fatigue" [syn: {stunned}, {stupefied},
             {stupid(p)}]
     2: stunned or confused and slow to react (as from blows or
        drunkenness or exhaustion) [syn: {foggy}, {groggy}, {logy},
         {stuporous}]