adj.详尽论述的；理由充分的

动词reason的过去式和过去分词.

The competent authorities shall publish a report setting forth their findings and reasoned conclusions reached on all pertinent issues of fact and law. 主管机关应公布一份报告，列出其对所有有关事实问题和法律问题的调查结果和理由充分的结论。