From fr.wiktionary.org:
** [en]
*** [étymologie]
[?] [peaceful] .
*** [nom]
PEACEFULNESS [ˈpiːs.fəl.nɪs]
1. [en] Sentiment de paix , de sérénité , de repos .
2. * [lang=en]
**** [synonymes]
[(]
- calmness
- composure
- serenity
- stillness
- tranquillity , tranquility
[)]
**** [antonymes]
[(]
- angst
- anxiety
- insecurity
- intranquillity , untranquillity
- trouble
- weariness
- worry
[)]
**** [apparentés]
[(]
- [pacifism]
- [pacifist]
- [peace]
- [peaceful]
- [peacefully]
- [peacemaker]
- [peacemonger]
[)]
*** [prononciation]
- [Texas (États-Unis)]