Related Clues:

• At attention
• Upright, as posture
• Straight up and down
• On twos, rather than fours
• Build, as a monument
• Displaying good posture
• Bring into existence
• Walking tall
• Perpendicular
• Straight up
• Upstanding
• In an upright position
• Pithecanthropine attitude
• West Point posture
• Not on all fours