Related Clues:

• Honourable; erect
• It's a piano - honest
• Having no leanings either way - honest
• Good but not grand
• Not grand, but honest
• Erect; honest
• Thoroughly appropriate vertical instrument
• Just the thing for someone learning the piano?
• Principled noble
• Standing and winning over Conservatives
• Good sort of piano
• Un-grand piano
• Honest, though not on the level
• Placed in a vertical position
• Winning on equity -- just