stupefied

English Thesaurus

1. in a state of mental numbness especially as resulting from shock (adj.all)

similar	:	confused,
definition	:	mentally confused; unable to think with clarity or act intelligently (adj.all)

2. as if struck dumb with astonishment and surprise (adj.all)

similar	:	surprised,
definition	:	taken unawares or suddenly and feeling wonder or astonishment (adj.all)