peaceful

Etymology 1

From Middle English peesful, pesful, paisful, pesefull, equivalent to peace + -ful.

adj

1. Not at war; not disturbed by strife or turmoil.
   peaceful protest
   Whether modern, industrial man is less or more warlike than his hunter-gatherer ancestors is impossible to determine.[…]One thing that is true, though, is that murder rates have fallen over the centuries, as policing has spread and the routine carrying of weapons has diminished. Modern society may not have done anything about war. But peace is a lot more peaceful. 2013-07-20, “Old soldiers?”, in The Economist, volume 408, number 8845
2. Inclined to peace.
3. Motionless and calm.

Etymology 2

Derived from the derogatory term religion of peace, which is used against Islam itself for its association with violent attacks by Islam extremists, and alleged support and lack of condemnation against them by certain Muslim communities.

noun

1. (India, Islam, Islamophobic, Internet slang, offensive) a Muslim; especially a violent member of a radical Islamist group.
   They only have to use a bit of code to name those people; nowadays they call them “peacefuls”. A smirking euphemism is all it takes to sail through Twitter’s filter, and keep the hate-speech flowing. 2021, Raghu Karnad, The Wire