adultness

/əˈdʌltnəs/
noun
  1. The quality or state of being an adult; maturity.
    • His adultness was evident in the way he calmly solved the problem.
    • The book explores the transition from childhood to adultness.
    • She felt a sense of adultness when she signed her first lease.
What does "adultness" mean? | whatsthatwordmean | whatsthatwordmean