Synonyms of the word 
PEACEABLE → PACIFIC - PEACEFUL
peaceable
- adj. Favouring peace rather than conflict; not aggressive, tending to avoid violence (of people, actions etc…
- adj. Characterized by peace; peaceful, tranquil.
pacific
- adj. Calm, peaceful.
- adj. Preferring peace in nature; avoiding violence; not bellicose.
peaceful
- adj. Not at war or disturbed by strife or turmoil.
- adj. Inclined to peace.
- adj. Motionless and calm.
If you are interested in words, visit the following sites :
- wiktionary.org/peaceable For complete definition of a word
- 1word.ws/peaceable to play with words, suffixs, prefixs, etc.