To do what one promised to do; make something come true.
Joe made good his boast to swim across the lake.
John's mother promised to take him and his friends to the zoo on Saturday. She made good her promise.
Mr. Smith borrowed some money. He promised to pay it back on payday. He made good his promise.
To compensate; pay for loss or damage. Often used in the phrase make it good.
The policeman told the boy's parents that the boy must make good the money he had stolen or go to jail.
The radio was broken while it was being delivered so the store had to make it good and send us a new radio.
To do good work at one's job; succeed.
Alma has always made good in everything that she has done.
He is a hard worker, and I'm sure that he will make good in that new job.
Kate wanted to be a nurse. She studied and worked hard in school. Then she got a job in the hospital and made good as a nurse.