oxford dictionaries

 

Noun [MASS NOUN]

-Freedom from disturbance; tranquillity

-Mental or emotional calm

-A state or period in which there is no war or a war has ended

 

[SYNONYMS] tranquillity, calm, calmness, restfulness, peace and quiet, peacefulness, quiet, quietness, quietude, silence, soundlessness, hush, noiselessness, stillness, still; privacy, privateness, seclusion, solitude, isolation, retirement, lack of disturbance/interruption, freedom from interference

[ANTONYMS] noise, irritation.

 

[SYNONYMS] serenity, peacefulness, tranquillity, equanimity, calm, calmness, composure, placidity, placidness, rest, repose, ease, comfort, contentment, content, contentedness, security; bliss, joy, nirvana

[ANTONYMS] agitation, distress.

 

[SYNONYMS] law and order, lawfulness, order, peacefulness, peaceableness, harmony, harmoniousness, accord, concord, amity, amicableness, goodwill, friendship, cordiality, non-aggression, non-violence; ceasefire, respite, lull

[ANTONYMS] conflict.

 

[SYNONYMS] treaty, truce, ceasefire, armistice, end/cessation/suspension of hostilities, moratorium, agreement, alliance, concord, appeasement, reconciliation

[ANTONYMS] war