noun

astonishment

astonishment, amazement, surprise

To my astonishment, he agreed immediately.

To my astonishment, he agreed immediately.

She stared in astonishment at the scene.

She stared in astonishment at the scene.

in astonishment with a feeling of great surprise He looked at me in astonishment.

to sb.'s astonishment used to say that something is very surprising To my astonishment, the plan worked.

Synonyms: amazement, surprise, wonder; Antonyms: composure, calmness

From the verb `astonish` plus the noun-forming suffix `-ment`. `Astonish` comes from Old French `estoner` ('to stun').

The `-ment` suffix turns the feeling of being `astonished` into a noun.

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