surprise
US /sɚˈpraɪz/
UK /sɚˈpraɪz/

1.
an unexpected or astonishing event, fact, or thing
:
•
Her sudden arrival was a complete surprise.
•
The party was a wonderful surprise for him.
2.
the feeling caused by something unexpected or astonishing
:
•
He looked at her with surprise.
•
To my great surprise, she agreed.