rectify
Definitions
To put right or correct a mistake, error, or fault.
To purify a substance, especially by repeated distillation.
To adjust or calibrate an instrument or system to ensure accuracy.
Examples
The company took immediate steps to rectify the error in the billing statement.
It is not too late to rectify the mistakes made during the initial phase of the project.
He apologized for the misunderstanding and promised to rectify the situation as soon as possible.