The conclusion of the meeting was that both sides would continue to cooperate.

conclusion 是名词，来自动词 conclude（结束、得出结论），con- 表示"一起"，-clude 表示"关闭"，字面意思是"一起关闭"，引申为"得出结论"。 conclusion 在这里指"会议得出的最终结果或决定"。