State of calm (5)
(Other definitions for peace that I've seen before include "State of freedom from war" , "''And I shall have some ... there, for ... comes dropping slow'' (WB Yeats)" , "Repose, tranquillity" , "[STILLNESS]" , "Freedom from disturbance, tranquillity" .)
(Other definitions for repose that I've seen before include "Relaxation" , "Rest - tranquillity" , "take it easy" , "Quiet restfulness" , "Lie at rest" .)