to quiet (a child, crowd, etc.); to quieten; to make quiet
to calm (one's nerves, excitement, etc.); to compose (oneself); to appease (someone's anger); to pacify; to settle (e.g. discord)
to suppress (a rebellion, riot, fire, etc.); to quell; to put down; to get under control
to relieve (a cough, pain, etc.); to soothe; to alleviate; to ease
to appease (a spirit, soul, etc.); to pacify; to soothe