to make amends or reparation, as for an offense or a crime, or for an offender (usually fol. by for )

to atone for one's sins.

to make up, as for errors or deficiencies (usually fol. by for )

to atone for one's failings.

Obsolete . to become reconciled; agree.

to make amends for; expiate

He atoned his sins.

Obsolete . to bring into unity, harmony, concord, etc.

verb

absolve , answer , apologize , appease , balance , correct , counterbalance , do penance , expiate , make amends , make redress , make reparation , make up for , offset , outweigh , pay , pay one’s dues , propitiate , recompense , reconcile , redeem , redress , repair , set off , square , take one’s medicine , amend , compensate , harmonize , repent , satisfy