To stonish means to surprise or amaze someone a lot.
When something stonishes you, it makes you feel very surprised or amazed.
Examples:
The magician's tricks stonish the audience.
I was stonished by the beautiful fireworks.
The big cake stonished the kids at the party.
The talking dog stonished everyone at the park.
The size of the whale stonished the sailors.
The stonishing magic show made everyone clap and cheer.