To make reparation, compensation, amends or satisfaction for an offence, crime, mistake or deficiency.
To absolve (someone else) of wrongdoing, especially by standing as an equivalent.
To restore the honour, worth, or reputation of oneself or something.
To recover ownership of something by buying it back.
To clear, release from debt or blame
To set free by force.
To save, rescue
To repair, restore
To liberate by payment of a ransom.
To save from a state of sin (and from its consequences).
To reform, change (for the better)
To expiate, atone (for)
To convert (some bond or security) into cash