1. in a calm, quiet manner without violence or disturbance
2. without conflict or war

Examples

• The baby slept peacefully through the night.
• The protesters gathered peacefully in the park.
• She passed away peacefully in her sleep.
• The two countries have coexisted peacefully for decades.
• The lake reflected the mountains peacefully in the morning light.
• The dispute was resolved peacefully through negotiation.
• Children played peacefully in the garden.