穏やか【おだやか】
calm, quiet, gentle, peaceful, mild, moderate, reasonable, amicable
平穏【へいおん】
tranquil, calm, restful, peaceful, quiet
穏健【おんけん】
quiet, dependable, uniform, (politically) moderate
穏便【おんびん】
gentle, peaceable, amicable, quiet, without fuss, simply
穏当【おんとう】
proper, reasonable, right, appropriate
不穏【ふおん】
disquieting, threatening, turbulent, restless, unsettled, disturbing
静穏【せいおん】
tranquility, tranquillity, calmness, serenity, quietness
安穏【あんのん】
peace, quiet, tranquility, tranquillity
不穏当【ふおんとう】
improper, inappropriate, unjust, unfair, unreasonable