juvenility
[noun]
Synonyms: youth, adolescence, greenness, puberty, pubescence, spring, springtide, springtime, youthfulness, youthhood

[TahlilGaran] English Synonym Dictionary ▲

ju·ve·nil·i·ty (jvə-nĭlĭ-tē)
n. pl. ju·ve·nil·i·ties
► The quality or condition of being juvenile; youthfulness.
►
■ Foolishly juvenile behavior or character; immaturity.
■ An instance of juvenile behavior.

[TahlilGaran] American Dictionary ▲