Noun composure has 1 sense
  1. composure, calm, calmness, equanimity - steadiness of mind under stress; "he accepted their problems with composure and she with equanimity"
    --1 is a kind of disposition, temperament
    Antonyms: discomposure
    --1 has particulars:
     aplomb, assuredness, cool, poise, sang-froid; repose, quiet, placidity, serenity, tranquillity, tranquility
    Derived form: verb compose5
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