Alleviation of pain is a common phrase used to describe the process of reducing or eliminating pain. However, there are many other words that can be used to describe this process. Relief, comfort, mitigation, soothing, and assuagement are all synonyms of alleviation of pain. Relief indicates that the pain has subsided, whereas comfort implies a sense of calming and relaxation. Mitigation refers to the lessening of the intensity or severity of the pain, while soothing suggests an action that eases discomfort. Assuagement means to make the pain less intense or severe and to remove the suffering. Using these synonyms can make your writing more interesting and varied.