English One word Substitutes Online Test 2

One word substitute is Expiate.

Apologise: express regret for something that one has done wrong.
Ingratiate: bring oneself into favour with someone by flattering or trying to please them.
Expiate: make amends or reparation for (guilt or wrongdoing).
Propitiate: win or regain the favour of (a god, spirit, or person) by doing something that pleases them.