Learn how to say Sedateness correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word sedate:
calm, dignified, and unhurried:
in the old days, business was carried on at a rather more sedate pace
quiet and rather dull:
sedate suburban domesticity
late Middle English (originally as a medical term meaning ‘not sore or painful’, also ‘calm, tranquil’): from Latin sedatus, past participle of sedare ‘settle’, from sedere ‘sit’