balanced
composed
apoise
arrogant
assured
balance
calm
carriage
cocksure
collected
confident
controlled
convinced
cool
decided
determined
dignified
easy
easygoing
equanimous
equibalanced
equilibrious
equiponderant
equiponderous
hovering
hubristic
imperturbable
levelheaded
overconfident
oversure
overweening
persuaded
placid
pompous
positive
possessed
prepared
proud
ready
reassured
recollected
reserved
secure
sedate
self-assured
self-confident
self-controlled
self-important
self-possessed
self-reliant
ass-kicking
business-labor
counterscarp
fortis
free-thinking
raffish
self-regarding