The cat was sleeping peacefully by the fire.
Ben slept peacefully
People have a right to demonstrate peacefully, but not to riot.
Peacefully is an adverb. Example sentence: She peacefully walked home. Peacefully describes her walking manner. "Walked" in this sentence is the action word (verb), and words that modify or describe verbs are called adverbs. Peacefully she walked home. She walked peacefully home.
Peace
The protesters gathered peacefully in the park to advocate for their cause.
Yes, "peacefully" is an adverb. Adverbs describe verbs; in the following sentence, "peacefully" describes how they lived. "The family lived peacefully in the valley."
The adverb of peace is peacefully.An example sentence with this adverb is: "we will come out peacefully".
That's nice. I hope the issue is resolved peacefully.
Chief Joseph wanted his people to be able to live peacefully.
It should be--- The children were sleeping peacefully; we decided not wake them.
Slumber
Thanks to her diplomacy, a misunderstanding was resolved peacefully.