stunned

adjective

1. 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

2. 2

   knocked unconscious by a heavy blow

3. 3

   filled with the emotional impact of overwhelming surprise or shock

   an amazed audience gave the magician a standing ovation

   I stood enthralled, astonished by the vastness and majesty of the cathedral