composed

1. Serenely self-possessed and free from agitation especially in times of stress (synset 300531471)
   "the performer seemed completely composed as she stepped onto the stage"; "I felt calm and more composed than I had in a long time"
   also:

   • unagitated - not agitated or disturbed emotionally
   • dignified - having or expressing dignity; especially formality or stateliness in bearing or appearance
   similar to:

   • calm, serene, tranquil, unagitated - not agitated; without losing self-possession
   • imperturbable, unflappable - not easily perturbed or excited or upset; marked by extreme calm and composure
   • collected, equanimous, poised, self-collected, self-contained, self-possessed - in full control of your faculties
   • cool, coolheaded, nerveless - marked by calm self-control (especially in trying circumstances); unemotional
   • unflurried, unflustered, unperturbed, unruffled - free from emotional agitation or nervous tension

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