elan (n.)
- activity
- alacrity
- animation
- anxiety
- anxiousness
- appetite
- ardor
- avidity
- avidness
- brio
- briskness
- dash
- eagerness
- enthusiasm
- esprit
- exuberance
- forwardness
- friskiness
- frolicsomeness
- gaiety
- gayness
- glow
- gust
- gusto
- heartiness
- impatience
- impetuosity
- impetus
- keenness
- life
- liveliness
- lustiness
- mettle
- oomph
- perkiness
- pertness
- playfulness
- promptness
- quickness
- readiness
- robustness
- skittishness
- spirit
- spiritedness
- spirits
- sportiveness
- sprightliness
- verve
- vigor
- vim
- vitality
- vivacity
- warmth
- zest
- zestfulness
- zing
- zip
