Safety (noun)

1. The condition of being protected from or unlikely to cause danger, risk, or injury.
2. Measures taken to ensure such protection.

Origin:

Middle english saufte, from old french saufte, from latin salvus "safe".

Examples:

1. The safety of the passengers is the top priority.
2. She is concerned about the safety of her children.
3. The company implemented new safety measures.
4. The safety of the workers is ensured by the proper use of personal protective equipment.
5. The safety features of the car helped prevent injuries in the accident.