In richard connell's the most dangerous game, there are several words that are not commonly heard in day to day conversation, here are some of the words and it's correct meaning :
Placid : Calm
Doggedly : With determination
Zealous : Extremely Passionate
Scruples : Morals
Answer:
lol, thank you for the points
The word "felicity" in this context means happiness, since the character managed to reach an state of almost ecstasy after finding happiness in his prayer, being thankful for what was happening. In this passage, the character uses the word "felicity" as a synonym of profound happiness.