The state of being safe and free from danger or harm.
Safeness is a good thing because it means you are protected and not in danger.
Examples:
The safeness of the playground is important for the children.
She feels safeness when she is at home with her family.
We all want to be in a place of safeness.
The dog finds safeness under the bed during a thunderstorm.
The safeness of the fortress was legendary, no one could breach its walls.
The safeness of the blanket fort made the children feel brave and secure.