After finishing college, there are many different paths you can take, which is why it's important to expand your vocabulary and consider different definitions for the term "postcollege." Some synonyms for postcollege could include "post-graduation," "after college," "life after school," or simply "post-degree."
Similarly, phrases like "transition period," "career start," or "professional journey" are all useful when talking about your experiences after college. Depending on your field or interests, additional words like "career exploration," "job search," or "professional development" might be applicable.
No matter the words you choose, it's important to remember that postcollege life can be challenging but also exciting as you navigate the next steps in your journey towards your desired career.