Possible Clues:

• That of truth explored by Santayana
• Domain of actual money
• Lots of paper getting left in area
• Many pages covering opening of Lost World
• Field of activity
• The area getting the actual motorway
• If one is 3 down, this is what one has - a thousand that's genuine
• Actually, the thousand is genuine as a rule
• Genuine and grand, as a rule
• Genuine leader of men in province