obtuseness
stupidity
apathy
emotionlessness
unemotionality
attentiveness
clear-sightedness
composure
conscientiousness
disinterest
fatalism
fearlessness
immobility
imperturbability
inflexibility
insensibility
placidity
promptness
reticence
sedateness
self-possession
self-restraint
steadfastness
stoicism
suavity
taciturnity
uncommunicativeness
unconcern