Aplomb (noun)
a-plom
Self-confidence or assurance, especially when in a demanding situation.
Late 18th century (in the sense ‘perpendicularity, steadiness’): from French, from à plomb ‘according to a plumb line’.
Example sentences
“Although new, she faced the situation with aplomb.”

Soigné (adj) swahn-yay Carefully or elegantly done, operated, or designed First recorded in 1915–20. Borrowed directly from French; originally from soin, meaning “care.” (more…)