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.