Redeem : compensate for the faults or bad aspects of.Groom : brush and clean the coat of (a horse, dog, or other animal).Ponder : think about (something) carefully, especially before making a decision or reaching a conclusion.Prick : make a small hole in (something) with a sharp point; pierce slightly.Preen : (of a bird) tidy and clean its feathers with its beak.Synonym of Preen is Groom