unagitated Synonyms

calm serene tranquil unflustered unworried carefree level-headed laid-back undisturbed as cool as a cucumber waveless unruffled unmoved unconcerned imperturbable cool as a cucumber unexcited unemotional unbothered self-controlled unflappable untroubled footsure unfazed unexcitable unperturbed even-tempered together impassive halcyon equanimous equable dispassionate cool-headed cool controlled composed collected pacific peaceful phlegmatic stolid still steady smooth self-possessed sedate relaxed quiet poised