astonishingly

from WordNet (r) 3.0 (2006)

astonishingly
    adv 1: in an amazing manner; to everyone's surprise; "amazingly,
           he finished medical school in three years" [syn:
           {amazingly}, {surprisingly}, {astonishingly}]

from The Collaborative International Dictionary of English v.0.48

Astonishing \As*ton"ish*ing\, a.
   Very wonderful; of a nature to excite astonishment; as, an
   astonishing event.
   [1913 Webster]

   Syn: Amazing; surprising; wonderful; marvelous.
        [1913 Webster] {As*ton"ish*ing*ly}, adv. --
        {As*ton"ish*ing*ness}, n.
        [1913 Webster]