make good (something)

1. To repay or repair something; to amend or correct something. The airlines made good our lost luggage by offering us $3,000 spending money upon our arrival. The judge was satisfied that the accused had made good the property damage to his neighbors.

2. To follow through on doing what was promised or intended. The president made good his promise to raise corporate tax rates and lower income taxes for middle class citizens.

3. To successfully accomplish something. The robber made good his escape through a secret back door in the building that was unknown to police.

make good something

1 pay for, replace or repair something that has been damaged or lost: The suitcase went missing at the airport so the airline have agreed to make good the loss. ♢ The mechanic explained that they would have to make good the damage to the body of the car before they resprayed it.
2 do what you promised, threatened, intended, etc. to do: When she became President she made good her promise to ensure equal pay for both men and women.