panic-stricken Antonyms

as cool as a cucumber undisturbed unruffled unconcerned tranquil stolid steady serene self-possessed sedate unafraid unagitated unperturbed unemotional unbothered self-controlled unfazed unexcitable even-tempered imperturbable laid-back relaxed quiet poised cool-headed cool controlled confident composed collected chilled calm brave courageous dauntless placid phlegmatic peaceful intrepid impassive gutty fearless equable dispassionate bold