Equilibrator is a noun that is used to describe something that balances or equalizes parts of a system. However, there are many synonyms that can be used interchangeably with equilibrator. One of the most common synonyms is stabilizer, which is often used to describe something that keeps a particular system or process balanced and stable. Other synonyms include balancer, adjuster, and compensator. These words are also used to indicate something that is aimed at achieving a sense of balance or equality between different elements of a system. Ultimately, equilibrator and its many synonyms are useful for describing anything that creates a sense of equilibrium or balance within a given system.