Dumfound

• (v. t.) To strike dumb; to confuse with astonishment.
Found on http://thinkexist.com/dictionary/meaning/dumfound/

Dumfound

Dum'found` transitive verb [ imperfect & past participle Dumfounded ; present participle & verbal noun Dumfounding .] To strike dumb; to confuse with astonishment. [ Written also dumbfound .] Spectator.
Found on http://www.encyclo.co.uk/webster/D/130
No exact match found