acceptance
ataraxia
ataraxy
austerity
backbone
bovinity
calm
calmness
coolness
dispassion
dispassionateness
dullness
easy temper
endurance
even temper
fatalism
forbearance
forbearing
forbearingness
fortitude
good temper
grit
guts
impassiveness
impassivity
imperturbability
imperturbableness
indifference
indulgence
inexcitability
inexcitableness
inirritability
insensibility
lenience
leniency
long-sufferance
long-suffering
longanimity
patience
patience of Job
patientness
perseverance
phlegm
pluck
resignation
sand
self-control
self-possession
emotionlessness
philosophical doctrine
philosophical theory
unemotionality
apathy
callousness
cheerfulness
coldness
composure
demeanour
deportment
disdain
equanimity
heroism
hopelessness
nonchalance
reticence
sobriety
steadfastness
stolidity