Related Clues:

• Repairman's offering
• Garage figure
• Pre-repair job figure
• Rough guess
• Postulation
• Approximation
• It's just an idea
• Speculation
• Give a ballpark figure
• Darwin and Newton each had one
• Working hypothesis
• Estimate at Yankee Stadium?
• Keynesianism, for one
• Appraisal
• Make an appraisal