To clear, release from debt or blame
To recover ownership of something by buying it back.
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 restore the honour, worth, or reputation of oneself or something.
To reform, change (for the better)
To expiate, atone (for)
To convert (some bond or security) into cash
To remove or reduce; especially to reduce a quantity or number