It's often preceded by "safe," redundantly (5)
I believe the answer is:
haven
(Other definitions for haven that I've seen before include "Safe refuge" , "Harbour - shelter" , "Harbour, small port" , "Safe harbour" , "Shelter (for ships)" .)
I believe the answer is:
haven
(Other definitions for haven that I've seen before include "Safe refuge" , "Harbour - shelter" , "Harbour, small port" , "Safe harbour" , "Shelter (for ships)" .)