Source : Webster's Revised Unabridged Dictionary (1913)

Perplexed \Per*plexed"\, a.
   Entangled, involved, or confused; hence, embarrassd; puzzled;
   doubtful; anxious. -- {Per*plex"ed*ly}, adv. --
   {Per*plex"ed*ness}, n.

Source : WordNet®

perplexedly
     adv : in a perplexed manner; "he looked at his professor
           perplexedly" [syn: {confoundedly}]