noun
zest
ZEST/zest/
Lively enthusiasm or enjoyment.
The older woman dances with zest and broad smiles beside her partner.

Etymology
Flavoring peel became a figurative “thing that adds flavor,” then keen enjoyment itself. The connection is the added relish that makes an experience enjoyable; the French word’s deeper origin is unknown.
More examples
- The children sing with zest, especially during the chorus.
- His zest for life makes even routine outings feel exciting.
- Learning something new adds zest to my day.
Forms
zestful adjective — Full of lively enthusiasm and enjoyment.
Similar words
- enthusiasm
- Emphasizes strong interest or excitement about a particular activity.
- gusto
- Emphasizes energetic enjoyment shown while doing something.
- relish
- Emphasizes deliberate enjoyment or eager anticipation of something.