Based on the given context the correct synonym of the word amiability is agreeableness.
The lines are from the story “Araby” written by James Joyce. “Araby” is the story of a boy who is going through a change in his life. He witnesses a change from his boyhood to manhood and wants to explore it. During his school hours, the boy kept on thinking about the upcoming events which gave him the feeling of excitement and happiness. Also, he predicts his master’s thought and builds his own opinion on it. He is trapped in a continuous tension and struggle to define himself as an adult. His thoughts lingered throughout the class hours by thinking mundane things.