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

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: sedating, sedated, sedatest, sedater, sedates

See also: decorous, sedateness, sedation, sedative, serious

Type of: affect

Antonym: stimulate

• exterminate
• exterminated
• extermination
• exterminator
• exterminatory
• extern
• external
• external angle
• external auditory canal
• external body part
• external carotid
• external carotid artery
• external drive
• external ear
• external gill
• external iliac artery
• external iliac vein
• external jugular vein
• external maxillary artery
• external modem
• external nasal vein
• external oblique muscle
• external organ
• external orifice
• external respiration