beside oneself Antonyms

imperturbable steady smooth serene self-possessed self-contained self-assured sedate reposeful relieved relaxed possessed poised placid phlegmatic stolid together tranquil coolheaded happy-go-lucky carefree level-headed easygoing laid-back unagitated undisturbed unshaken unceremonious unshakable unruffled unmoved unconcerned peaceable pacific nonplussed cool-headed cool controlled composed collected chilled centered casual breezy bovine blissful assured amicable aloof defiant