Used when someone or something reduces intense feelings, not just general discomfort. The principal's speech allayed parents' concerns about school safety.
Pro Tip 2/3
Often Temporary
The relief provided by 'allaying' is usually short-term, until the situation is resolved. The company's statement allayed investors' fears but only for a few days.
Pro Tip 3/3
Not Physical
Allay is about easing non-physical issues, like worries or doubts, not physical pain. The manager's plan allayed staff doubts about the new project.