There are several synonyms for the word "preservatory" that can be used depending on the context of the sentence. Some synonyms for "preservatory" are "conservatory," which is a place to preserve plants, "preservative," which is a substance used to protect or preserve something, and "preservation," which is the practice of keeping something in its original state. Other synonyms for "preservatory" might include "protective," "conserving," or "shielding." These synonyms all convey a similar meaning to "preserving" something, whether it be an object, a tradition, or a natural resource, and can be used interchangeably in many different contexts.