adjective
expiatory
EK-spee-uh-tor-ee/ˈɛkspiəˌtɔri/
Intended to make amends for guilt or wrongdoing.
The replacement plant is an expiatory gift for damaging the neighbor's original one.

Etymology
The appeasement base developed the sense “make amends,” and the adjective describes something serving that purpose. An expiatory act is therefore intended to atone for wrongdoing.
In context
back in those days the expiatory sacrifices jps concludes are required for inadvertent transgressions
More examples
- She makes an expiatory donation to the charity she defrauded.
- The ceremony includes an expiatory offering for past wrongs.
- He treats his volunteer work as an expiatory act, not a hobby.
Forms
Similar words
- penitential
- Emphasizes expressing repentance rather than making amends for wrongdoing.
- reparative
- Focuses on repairing harm, not necessarily dealing with guilt.