The cheerful feeling you have when nothing is troubling you.

synoniemen: carefreeness, insouciance, lightheartedness.

Nederlands: onverschilligheid, luchthartigheid, onbezorgdheid, zorgeloosheid
Pools: beztroska

The gracefulness of a person or animal that is quick and nimble.

synoniemen: agility, legerity, lightness, nimbleness.

Nederlands: behendigheid, wendbaarheid, soepelheid, souples, lenigheid
Pools: gibkość, zwinność

The trait of being lighthearted and frivolous.

synoniem: lightness.