expiates

ˈɛkspɪeɪt

verb

make amends or reparation for (guilt or wrongdoing).

their sins must be expiated by sacrifice

atone for,make amends for,make up for,do penance for,pay for,redress,redeem,offset,square,make good,make redress for,make reparation for,make recompense for,make restitution for,purge