The word "alleger" means to lessen or make something less severe. Its synonyms include alleviate, ease, diminish, reduce and lighten. Other synonyms include mitigate, mollify, palliate, temper, and abate. These words are commonly used when describing certain medical conditions or symptoms like pain, fever, or inflammation. Additionally, the aforementioned synonyms are also used in expressing the reduction of tension, stress, anxiety, and worry. In summary, the word "alleger" has several interchangeable words which can be used in various settings such as in medical terms or general conversations about everyday life.