Indulge: I took my time to indulge a yummy treat.
Bountiful: We enjoyed a bountiful buffet at the hotel.
Benign: My face was benign and calm in that situation.
Altruism: I decided to work with rude people out of altruism.
Amicable: I have a amicable relationship with my friends.
Exemplary: I received a trophy for my exemplary behavior.
Humanitarian: Every year, we give humanitarian supplies.
Rectify: I've made so many mistakes, I can't rectify my actions now.
I really hope I could help! :)