adj. 25B6; adjective
everything was quiet and peaceful : TRANQUIL, calm, restful, quiet, still, relaxing, soothing, undisturbed, untroubled, private, secluded.
his peaceful mood : SERENE, calm, tranquil, composed, placid, at ease, untroubled, unworried, content.
peaceful relations : HARMONIOUS, at peace, peaceable, on good terms, amicable, friendly, cordial, non-violent.
noisy, agitated, hostile.