Here are the definitions matched to the correct words:
- maturity - the quality of acting adult, grown-up
- friendliness - displaying kindness and good intention
- tranquility - the quality of being calm
- humility - the quality of being meek, modest
- opaque - impenetrable by light
- purity - the condition of being spotless, stainless, or clean
- diligence - the state of working steadily on a task
- serenity - peacefulness
- rebirth - the process of being born again
- responsibility - accountability