The word incubatory refers to something that has the potential to develop or grow. Some synonyms for this word include germinative, formative, productive, embryonic, and nascent. All of these words suggest a process of growth or development, either literally or figuratively. For example, a germinative idea is one that has the potential to sprout and grow, while a nascent industry is one that is just beginning to emerge and develop. Using synonyms like these can help to add depth and nuance to your writing, as well as emphasizing the potential for change and development in a given subject or situation.