Relaxed calmness (11)
I believe the answer is:
nonchalance
(Other definitions for nonchalance that I've seen before include "Casual unconcern" , "Coolness; indifference" , "Casually calm manner" , "composure" , "Calm disposition" .)
I believe the answer is:
nonchalance
(Other definitions for nonchalance that I've seen before include "Casual unconcern" , "Coolness; indifference" , "Casually calm manner" , "composure" , "Calm disposition" .)