Absence of danger (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
safety
'absence of danger' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for safety that I've seen before include "Security; sanctuary" , "Refuge" , "Sort of catch" , "Absence of danger" , "one finds in numbers" .)