おとなしい (translations)→ calm civil cooperative docile obedient peaceable peaceful small understated
温和な (translations)→ benignant soft warm-hearted
穏やかな (translations)→ easy fair fast halcyon peacefully piping quiet silken sunny tolerant
静かな (translations)→ quietly slumberous softly still voiceless
泰平な (translations)→ comfortable
