to offset the bad effect of (something)

Not one shadow of brown redeemed the pale insipidity of her eyebrows and eyelashes — Mary Braddon

to atone for (a wrong, error of judgment, etc)

to derive some benefit from (a seeming mistake or failure)

to release (somebody) from blame or debt

to free (somebody) from the consequences of sin or evil

to make up for an earlier poor performance or wrongdoing by (oneself)

to get, win, or buy (something) back, e.g. by repaying a loan or debt esp to buy back (something used as security in return for a loan) by repaying the money loaned

to recover possession of (something) by fulfilling an obligation, esp by payment of a debt

to remove the obligation of (e.g. a bond) by making a stipulated payment

to convert (trading stamps, tokens, etc) into money or goods