~ 1
■ adjective
1》 calm and unhurried.
2》 staid and rather dull.
Derivatives
~ly adverb
~ness noun
Origin
ME (also as a medical term in the sense 'not sore or painful'): from L. sedatus , sedare 'settle', from sedere 'sit'.
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~ 2
■ verb put under sedation.
Origin
1960s: back-form. from sedation .