Astound (verb)

1. To overwhelm with surprise or amazement.
2. To surprise greatly, especially with something unexpected or remarkable.
3. To impress or affect deeply with wonder or admiration.

Origin:

From the middle english word 'astounen' meaning to strike with surprise or wonder.

Examples:

1. The magic tricks astounded the audience.
2. The news of his sudden death astounded the entire community.
3. The size of the building astounded the visitors.
4. Her performance on the stage astounded the critics.
5. The scientific discovery astounded the experts in the field.