Calm, peaceful, and untroubled (6)
I believe the answer is:
serene
(Other definitions for serene that I've seen before include "Peaceful and calm in manner" , "still" , "Not agitated" , "Calm and unclouded" , "Calm and relaxed" .)
I believe the answer is:
serene
(Other definitions for serene that I've seen before include "Peaceful and calm in manner" , "still" , "Not agitated" , "Calm and unclouded" , "Calm and relaxed" .)