sang-froid (n.)
- aloofness
- aplomb
- balance
- calmness
- composure
- constancy
- cool
- coolness
- countenance
- courage
- equanimity
- equilibrium
- fastness
- firmness
- homeostasis
- imperturbability
- indifference
- invariability
- nerve
- peacefulness
- philosophy
- phlegm
- placidity
- poise
- quiet
- quietude
- reliability
- sang-froid
- secureness
- security
- self-control
- self-possession
- serenity
- solidity
- soundness
- stability
- steadfastness
- steadiness
- substantiality
- tranquillity
- unconcern
- uniformity
