Suppressants refer to various substances or medications that can suppress or decrease a certain bodily function or sensation. Synonyms for suppressants include inhibitors, reducers, palliatives, and moderates. Inhibitors are substances that can prevent a certain action or function from happening in the body. Reducers work to lower or decrease a certain sensation or activity. Palliatives refer to substances that can alleviate or soothe a certain discomfort or pain. Moderates are substances that can regulate a certain function or sensation in a more controlled manner. Examples of common suppressants include appetite suppressants, cough suppressants, and pain suppressants.