Plan on is a phrase used to express an intention or preparation for something. There are several synonyms for "plan on"; one of them is "mean to." This phrase denotes a firm purpose or intent. Another synonym is "intend to," which implies a determination to carry out a specific action. "Propose to" is also another synonym; it suggests a more formal and deliberate approach. "Schedule" and "arrange to" are other synonyms that indicate a planned and organized approach to achieving a set goal. Whatever the synonym used, the essential thing is to approach every plan with a positive mindset and determination to succeed.