Reopen means to open again or to resume. There are various synonyms for the word reopen, which include recommence, resume, restart, continue, relaunch, and reinstitute. Each synonym conveys the sense of resuming or starting again. The word "recommence" suggests starting again from a previous point while "restart" indicates beginning from the beginning. "Continue" suggests picking up where one left off, while "relaunch" and "reinstitute" indicate the resumption of business or operations that may have temporarily ceased. Overall, these synonyms for reopen offer ample alternatives to use in various contexts.