peaceful adj.
1 without war/violence
VERBS be | become | remain
ADV. extremely, very | wholly The aims of the organization are wholly peaceful. | largely | comparatively, fairly, quite, reasonably, relatively
2 quiet and calm
VERBS be, feel, look | become | remain
ADV. extremely, very | utterly | comparatively, fairly, quite, relatively | blissfully, delightfully, serenely The time without her in the house had been blissfully peaceful.
You can also check other dicts: peaceful (English, 中文解释 ), wordnet sense, Collins Definition