In fact, it had such a bad reputation that no decent person would go there anymore.

decent 是形容词，由词根 dec-（源自拉丁语 decere，意为"得体、合适"）和形容词后缀 -ent 组成，表示"正派的、得体的、体面的"。在这里形容人时指品行端正、符合社会道德标准的人。