Exclaim (verb)

1. To cry out suddenly and strongly, usually in surprise, emotion, or protest.
2. To make a sudden, strong expression of emotion or opinion.

Origin:

From latin exclāmāre, from ex ("out") + clāmāre ("to shou.t")

Examples:

1. She exclaimed in surprise when she saw the cake.
2. He exclaimed in anger at the injustice of the situation.
3. She exclaimed in delight when she saw the flowers.
4. The crowd exclaimed in unison when the team scored the winning goal.
5. He exclaimed in frustration at his inability to fix the problem.