"Putting up on" can be used in various contexts, such as putting up a tent, putting up a shelf, or putting up with someone's behavior. However, there are several synonyms to use instead of this phrase. For instance, instead of "putting up a tent," you can say "erecting a tent" or "pitching a tent." Similarly, instead of "putting up a shelf," you can say "installing a shelf" or "mounting a shelf." Lastly, instead of "putting up with someone's behavior," you can say "tolerating or enduring someone's behavior." Using these synonyms not only expands your vocabulary but also adds more specificity and clarity to your communication.