Based on the context of this excerpt from W. W. Jacobs's "The Monkey's Paw," the word placidly means "appearing to be calm and relaxed"
Explanation:
"The Monkey's Paw" by W. W. Jacobs is a story that has constant situations of suspense and excitement, but in this specific excerpt we can see the description of a very peaceful scene, the atmosphere, and the mood are relaxed and do not have any expression of hectic behavior, the vocabulary used also reflect the peace from the characters.
Allen Ginsberg<span> and </span>Jack Kerouac<span>were some of the more famous faces synonymous to the group, as was </span>William S. Burroughs<span>.</span>