say it: PEE-suh-blee
peaceably is an adverb meaning "in a peaceable manner". It carries one recorded sense.
in a peaceable manner
“the tenant paying the rent hereby reserved and performing the several covenants herein on his part contained shall peaceably hold and enjoy the demised premises”
Definitions, synonyms and semantic relations for peaceably come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.