youthfulness
juvenility
youth
rejuvenescence
youthlike
youthward
youthwards
unyouthfulness
teenageness
hebe-
rearing
underage
neotenous
youthenize
immaturity
schoolboyishness
neoteny
youthful
vitalizer
abloom
generation gap
pedomorphism
teenagerish
teenagerhood
juvenescent
childliness
vitalistically
minoration
teenagerly
vernal
juvenileness
juniority
as the twig is bent, so is the tree inclined
young
essentiability
young blood
younghood
young at heart
youthness
youngly
preteendom
soc
pedocentrism
teenlike
juvenescence
developmental age
juvenilely
adultocentrism
nonbroodiness
teenagery