Noun is the part of speech
Answer:
Reveal, tool, attended, marvelous.
Explanation:
The above, in that order, would be the best fit.
This question has an excerpt but I just recently read the said excerpt and also found its choices, base on the excerpt and the choices, I would say that the answer would be Allusion, I hope you are satisfied with my answer and feel free to ask for more if you have questions