Isochronize is a technical term that means to synchronize or keep in time. However, there are many synonyms that can be used to describe this action such as sync, harmonize, timekeeping, and coordination. Other synonyms for isochronize include symmetrize, regulate, equalize, counterbalance and attune. Each of these words describes the process of keeping things in time or harmony. For instance, symmetrize means to make something balanced or corresponded, while attune implies adjusting to or being aware of something. Moreover, all of these words convey the idea of balance, and synchronization to keep things in harmony. Therefore, it's essential to use different synonyms for isochronize to make the writing more interesting.