sedate1
  
  adj.
  - calm and unhurried.
 - staid and rather dull.
 
 
  Derivative
  
    - sedately adv.
  - sedateness n.
 
   
  Etymology
  ME (also as a medical term in the sense ‘not sore or painful’): from L. sedatus, sedare ‘settle’, from sedere ‘sit’.
 
  
    
sedate2
  
  
  Etymology
  1960s: back-form. from sedation.