'Peacefulness' definitions:

Definition of 'peacefulness'

From: WordNet
noun
A state that is calm and tranquil [syn: peaceableness, peacefulness]
noun
The absence of mental stress or anxiety [syn: peace, peacefulness, peace of mind, repose, serenity, heartsease, ataraxis]

Definition of 'Peacefulness'

From: GCIDE
  • Peaceful \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. [1913 Webster]
  • 2. Not disposed or tending to war, tumult or agitation; pacific; mild; calm; peaceable; as, peaceful words. [1913 Webster]
  • Syn: See Peaceable. [1913 Webster] --{Peace"ful*ly}, adv.. -- {Peace"ful*ness}, n. [1913 Webster]

Synonyms of 'peacefulness'

From: Moby Thesaurus