keeping one's shirt on

confident easygoing levelheaded poised relaxed self-assured serene tranquil unflappable unruffled

calmed cool possessed quieted repressed sedate soothed suppressed

at ease clearheaded commonsensical cool as cucumber disimpassioned dispassionate easy have one's act together imperturbable keeping a stiff upper lip nonchalant not turn a hair placid self-possessed sensible serious staid sure of oneself temperate together untroubled

agitated nervous upset worried

excited

angered annoyed aroused distressed perturbed