astonished · adjective /əˈstɑn.ɪʃt/
astonished
B2 very surprised
Dictionary examples:
I was astonished to see Miriam there.
They looked astonished when I announced I was pregnant.
The doctors were astonished at the speed of her recovery.
Learner example:
She was astonished when she saw what [wa]s in front of her. (First Certificate in English; B2; Serbian)