The term "make gentle" has several synonyms that can be used interchangeably. These synonyms include appease, pacify, sooth, placate, mollify, calm, soothe, and ease. All these words convey the idea of making someone or something less violent or aggressive by soothing them. However, they differ in terms of intensity and the specific context in which they are used. For instance, while pacify is more appropriate when dealing with a hostile situation or enemy, mollify is used to calm someone who is angry or upset. Overall, these synonyms provide various options for expressing the idea of making something gentle.