PEACEFUL
peaceful, peaceable
(adjective) not disturbed by strife or turmoil or war; “a peaceful nation”; “peaceful times”; “a far from peaceful Christmas”; “peaceful sleep”
passive, peaceful
(adjective) peacefully resistant in response to injustice; “passive resistance”
Source: WordNet® 3.1
Etymology
Adjective
peaceful (comparative peacefuller or peacefuler or more peaceful, superlative peacefulest or most peaceful)
Not at war or disturbed by strife or turmoil.
Antonyms: warring, at war
Inclined to peace.
Synonyms: peaceable, pacific
Antonyms: belligerent, violent
Motionless and calm.
Synonyms: tranquil, placid, still
Source: Wiktionary
Peace"ful, a.
1. Possessing or enjoying peace; not disturbed by war, tumult,
agitation, anxiety, or commotion; quiet; tranquil; as, a peaceful
time; a peaceful country; a peaceful end.
2. Not disposed or tending to war, tumult or agitation; pacific;
mild; calm; peaceable; as, peaceful words.
Syn.
– See Peaceable. --Peace"ful*ly, adv..
– Peace"ful*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition