The cheerful feeling you have when nothing is troubling you.

synonyms: carefreeness, insouciance, lightheartedness.

Dutch: onverschilligheid, luchthartigheid, onbezorgdheid, zorgeloosheid
Polish: beztroska

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

synonyms: agility, legerity, lightness, nimbleness.

Dutch: behendigheid, wendbaarheid, soepelheid, souples, lenigheid
Polish: gibkość, zwinność

The trait of being lighthearted and frivolous.

synonym: lightness.