1 文書を見つけるための辞書。

• reason
• 事由, 理屈, 廉, 節理, 根拠, 理合い, 道理, 一理, 訳合い, 理窟, 理くつ, 事わけ, 謂われ, 所為, 筋あい, 所以, 由縁, 理由, 原由, 由, 由来, 筋合, 成因, 訳柄, 謂れ, 訳合, 理趣, 筋合い, 理合, わけ, 訳, 事訳
• an explanation of the cause of some phenomenon; "the reason a steady state was never reached was that the back pressure built up too slowly"
• ある現象の原因の説明