aplomb (n.)

• assurance
• balance
• composure
• confidence
• constancy
• constraint
• control
• cool
• coolness
• discipline
• ease
• easiness
• equanimity
• equilibrium
• erectness
• fastness
• firmness
• homeostasis
• imperturbability
• independence
• invariability
• nerve
• nonchalance
• orthogonality
• perpendicularity
• poise
• possession
• precipitousness
• reliability
• restraint
• sang-froid
• secureness
• security
• self-assurance
• self-command
• self-confidence
• self-control
• self-denial
• self-discipline
• self-government
• self-possession
• self-restraint
• solidity
• soundness
• squareness
• stability
• steadfastness
• steadiness
• steepness
• substantiality
• uniformity
• uprightness
• verticality
• verticalness