Hardly a mystery (5)
I believe the answer is:
known
(Other definitions for known that I've seen before include "Within one's ken" , "Famous" , "Noted" , "Widely recognized" , "Acknowledged" .)
I believe the answer is:
known
(Other definitions for known that I've seen before include "Within one's ken" , "Famous" , "Noted" , "Widely recognized" , "Acknowledged" .)