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Adjective: sedate (sedater,sedatest)  si'deyt
  1. Characterized by dignity and propriety
    - staid
     
  2. Dignified and sombre in manner or character and committed to keeping promises
    "a quiet sedate nature";
    - grave, sober, solemn
Verb: sedate  si'deyt
  1. Cause to be calm or quiet as by administering a sedative to
    "The patient must be sedated before the operation";
    - calm, tranquilize [N. Amer], tranquillize, tranquillise [Brit]

Derived forms: sedater, sedates, sedated, sedatest, sedating

See also: decorous, serious

Type of: affect

Antonym: stimulate

Encyclopedia: Sedate