flustered Antonyms

reassured unshakable unruffled unconcerned tranquil together stimulated softened shameless serene self-possessed self-contained sedate reposeful relieved relaxed unshaken undisturbed at peace worry-free uplifted unperturbed self-controlled unflappable untroubled unfazed unexcitable even-tempered at ease imperturbable coolheaded unworried carefree laid-back prepared poised composed comforted collected chilled checked centered calmed calm boosted blunted assured assisted animated alleviated