disarm
v.to take weapons away from a person or a group. It can also mean making someone feel less angry or suspicious by being friendly.
v.to deprive of weapons or the means of attack; to render harmless by removing the cause of hostility or suspicion.
“The police managed to disarm the suspect without any injuries.”
“His warm smile and honest apology helped to disarm the angry customers waiting in line.”
“The treaty required both nations to disarm their border patrols as a gesture of goodwill during the peace negotiations.”
The verb is transitive and requires a direct object, whether referring to physical weapons or emotional defenses.
“But Israel has insisted that the group must fully disarm before any pullout.”
From Middle English desarmen (“to divest of arms”), from Anglo-Norman desarmer.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.