After reviewing all 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、共同"）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。在这里指陪审团在审议后"作出最终裁决"。