unflustered Synonyms

unperturbed unflurried unruffled as cool as a cucumber imperturbable unworried carefree laid-back unagitated undisturbed unmoved unconcerned at ease cool as a cucumber even-tempered unvexed unemotional unbothered self-controlled unflappable untroubled nonconfrontational unfazed unexcitable tranquil together equanimous equable dispassionate cool-headed cool controlled composed collected chilled casual impassive peaceful phlegmatic stolid still steady serene self-possessed sedate relaxed quiet poised placid calm