Cotyledonary is an adjective that describes anything related to or pertaining to cotyledons, which are embryonic leaves in seed-bearing plants. Synonyms for cotyledonary include embryonic, germinative, incipient, initial, nascent, primordial, rudimentary, and seedling. These words all describe something in its early stages of development or growth, similar to how cotyledons are early indicators of a plant's growth. Using synonyms can add depth and variety to your writing, helping readers to better understand your message. Next time you want to use the word cotyledonary, consider using one of these synonyms to make your writing clearer and more engaging.