The restaurant's excellent service is not enough to 'redeem' [='compensate for'] the mediocre food.
The President 'redeemed' his campaign promise. [=he did what he promised to do]
The exciting ending partially 'redeems' what is otherwise a very dull movie.
(..) Might I have the pleasure of your name before I have you run through? Robin of Locksley. Welcome home. Kill him! Time to redeem that vow! Unleash the hounds! Get off your damn knees! Be so kind as to give me your name before I run you through. Guy of Gisborne, the Sheriff's cousin. (..)1991 Robin Hood: Prince of Thieves