Related Clues:

• Like Homo habilis
• Well-balanced
• Not at ease, perhaps
• Be constructive?
• Mow down
• Build an edifice
• Put up, as a building
• Having good posture
• At attention
• Be candid
• Upright, as posture
• On twos, rather than fours
• Be frank (with)
• Build, as a monument
• Displaying good posture