1‘the cottage is in a peaceful setting’
tranquil, calm, restful, pleasant, quiet, still, relaxing, soothing, sleepy, silent, soundless, hushed, noiseless, undisturbed, untroubled, private, secluded, solitary, isolated, free from disturbance, free from interference, free from interruption
2‘his peaceful, contemplative mood vanished’
serene, calm, tranquil, composed, placid, at peace, at rest, at ease, in repose, reposeful, undisturbed, untroubled, unworried, unruffled, anxiety-free, content, blissful, secure
3‘peaceful conditions between the two countries’
harmonious, at peace, strife-free, peaceable, conflict-free, on good terms, amicable, friendly, cordial, non-violent, unwarlike
We take a look at several popular, though confusing, punctuation marks.