(1)〈英〉揭发同案犯者
包括被告人或自首人的揭发。
(→approvement)

(2)改良土地者
王室派往地方改良土地，提高收益者，这其中的部分收益将归郡长。郡长和副郡长〔bailiff〕在1326年的一项法令中被称为「King's approver」。

• Unum est tacere，aliud celare.
• Unumquodque eodem modo， quo colligatum est， dissolvitur.
• Unumquodque principiorum est sibimet ipsi fides；et perspicua vera non sunt probanda.
• unused portion
• unus nullus rule
• unusual case
• unusual punishment
• unvalued policy
• unwarranted
• unwed fathers' rights
• unwritten constitution
• unwritten contract
• unwritten law
• unwritten law of nations
• UPA
• upkeep
• uplifted hand
• upon
• upon information and belief
• upon personal knowledge
• upon sight
• upon the failure of heirs
• upon the faith of a document
• up-or-out
• upper house