Stupefaction means a state of being very surprised or shocked.
Stupefaction can make people think of confusion, disbelief, or being amazed.
Examples:
Her face showed stupefaction when she saw the surprise party.
The magician's tricks caused stupefaction in the audience.
The stupefaction on his face was clear to everyone.
The stupefaction on the dog's face when it saw a cat was very funny.
The stupefaction on her face was so big, it looked like her eyes would pop out!
The stupefaction in the room was so big, you could almost touch it.