Exuberance (noun)

1. A feeling of great happiness and excitement.
2. The quality of being energetic, lively, and full of enthusiasm.
3. The quality of being abundant or excessive.
4. The quality of being luxuriant or lush, especially in the growth of vegetation.

Origin:

Late 16th century: from latin exuberantia, from exuberare "overflow", from ex- "out" + uberare "be fertile".

Examples:

1. The children's exuberance was infectious and made everyone feel happy.
2. Her exuberance on stage was a major factor in her success as a performer.
3. The garden was a place of exuberance, with colorful flowers and lush greenery.
4. His exuberance for life and love of adventure inspired many.
5. The city was overflowing with exuberance as the festival took place.