Related Clues:

• Sizable, sumwise
• Substantial, as sums
• With everything in its place
• Well behaved
• Straighten (up)
• Not helter-skelter
• Neat and tidy
• Businesslike
• 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