Words to which I aspire...

aplomb

n.
Self-confident assurance; poise.
Great coolness and composure under strain; "keep your cool" [syn: assuredness, cool, poise, sang-froid]

[French, from Old French a plomb, perpendicularly : a, according to (from Latin ad-. See ad-) + plomb, lead weight (from Latin plumbum, lead).]