Quell – To suppress, put an end to; to quieten or calm
If a question is answered well, (quell) it can put an end to disagreements or calm people down when they're worried.
Examples of quell in a sentence
Before Laura gives a speech, she always drinks herbal tea to quell her nerves.
Police are being deployed to quell the threat of violence from the thugs.
Hopefully the medicine will quell her cough.