Webster's Revised Unabridged Dictionary · 1913

Flair

Flair (flâr) , noun

[Old English flaireodor, from Old French & French flair, from Old French flairier, French flairer, to smell, Late Latin flagrare for Latin fragrare. See Flagrant.]

1.
Smell; odor. [Obsolete]
2.
Sense of smell; scent; fig., discriminating sense.
3.
A talent or ability, especially an intuitive one that makes performance of a task appear easy; an intuitive appreciation; a knack; as, she has a flair for acting.
4.
An attractive way of performing a task; style.