(transitive) To recover ownership of something by buying it back.
(transitive) To liberate by payment of a ransom.
(transitive) To set free by force.
(transitive) To save, rescue
(transitive) To clear, release from debt or blame
(transitive) To expiate, atone (for)
(transitive, finance) To convert (some bond or security) into cash
(transitive) To save from a state of sin (and from its consequences).
(transitive) To repair, restore
(transitive) To reform, change (for the better)
(transitive) To restore the honour, worth, or reputation of oneself or something.
(transitive, archaic) To reclaim