Reiteratively is a word that means repeatedly or over and over again. If you want to express this concept using other words, you could say something like iteratively, incessantly, frequently, routinely, regularly, persistently, or repeatedly. These synonyms all convey the idea of doing something repeatedly and consistently. For instance, if you want to say that you have been studying reiteratively for your exams, you could also say that you have been studying persistently or routinely. Similarly, if you want to describe a habit that you do frequently, you could use the synonym of incessantly or regularly.