Safety

The condition or state of being safe; freedom from danger or hazard; exemption from hurt, injury, or loss.

Freedom from whatever exposes one to danger or from liability to cause danger or harm; safeness; hence, the quality of making safe or secure, or of giving confidence, justifying trust, insuring against harm or loss, etc.

Preservation from escape; close custody.

Same as Safety touchdown, below.

the state of being certain that adverse effects will not be caused by some agent under defined conditions; "insure the safety of the children"; "the reciprocal of safety is risk"