When a situation is brought under control, it means that the chaos and disorder that was present has been successfully resolved. There are several synonyms for this phrase that can be used to convey the same meaning. "Contained", "quelled", "restrained", and "subdued" are all synonyms for brought under control, as they all suggest that a once unstable situation has been resolved and is now stable. Other synonyms include "mitigated", "curbed", "suppressed", "subjugated", and "tamed". Each of these words implies that something has been brought under control and is no longer a threat. Overall, having a variety of synonyms for "brought under control" allows for more precise and nuanced language when describing different situations.