Jubilant (adjective)

Feeling or expressing great happiness or triumph, joyful, triumphant.

Origin:

From the latin word "jubilare" meaning "to rejoice".

Examples:

1. The team was jubilant after winning the championship.
2. She was jubilant when she heard the news of her promotion.
3. The crowd was jubilant as the home team scored the winning goal.
4. He was jubilant after passing his final exam.
5. The soldiers were jubilant after the enemy surrendered.