Formal:
* Corrected: This is a general synonym for rectified, implying that an error has been fixed.
* Amended: This implies a change made to improve something, often a document or a plan.
* Adjusted: Used when something is slightly changed to make it better or more accurate.
* Repaired: This is used when something has been physically fixed.
* Set right: A more informal, but still formal, way to say "rectified."
* Resolved: This is used when a problem or conflict has been addressed and settled.
Informal:
* Fixed: This is the most common informal synonym for "rectified."
* Sorted out: Used when a problem has been resolved or dealt with.
* Put right: Similar to "set right," but even more informal.
* Taken care of: This implies that the problem has been dealt with and is no longer an issue.
Other options:
* Improved: Used when something has been made better.
* Enhanced: This implies that something has been made more powerful or effective.
* Strengthened: Used when something has been made more secure or robust.
* Rehabilitated: Used when something has been restored to a good state after being damaged or neglected.
The best word to use will depend on the specific situation and the nuance you want to convey.