Related Clues:

• Neatly arranged
• Like Felix Unger's room
• Substantial, as a sum
• Organize, with "up"
• Very neat
• Unmake a mess (with ''up'')
• Like certain sums
• Neat and trim
• Fairly large
• Having everything in its place
• Large order
• In tidy condition
• Clean and orderly
• Unmake a mess
• Like a neatnik