After reviewing the evidence, the jury concluded that the defendant was innocent.

concluded 是动词 conclude 的过去式。conclude 由前缀 con-（表示"完全"）和词根 -clude（来自拉丁语 claudere，意为"关闭"）组成，字面意思是"完全关闭"，引申为"得出结论""作出决定"的意思。在这里表示陪审团经过审议后最终作出的判断。