youngmaturity

noun
UK /ˌjʌŋməˈtjʊərəti/
US /ˌjʌŋməˈtʊrəti/

Being grown-up in a good way even though you are still young.

Her youngmaturity showed when she calmly helped the lost child find his mom.


OTHER MEANINGS

2. The time in life when a young person starts acting more grown-up.

His youngmaturity began when he started doing his own laundry.

3. A mix of being young and acting sensible at the same time.

The team liked her youngmaturity, because she was fun but also reliable.

4. The stage when a young plant or animal starts to look and act fully grown.

The youngmaturity of the puppy showed when it stopped chewing shoes.