self-possession

noun

Etymology: Etymology tree Proto-Indo-European *swé? Proto-Indo-European *selbʰ-der. Proto-Germanic *selbaz Old English self Old English self- Middle English self- English self- English possession English self-possession From self- + possession.

1. A confidence in one's own powers.
2. Calmness and composure, especially when under stress.

   “She had a very fresh complexion and a pretty, round little face saved from any dolliness by the steadiness of her blue eyes, the firmness of her mouth, and the expression of quiet self-possession.”