What does "sedate" mean?

Sedate: Undisturbed by passion or caprice; calm; tranquil; serene; not passionate or giddy; composed; staid; as, a sedate soul, mind, or temper. Disputation carries away the mind from that calm and sedate temper which is so necessary to contemplate truth. I. Watts. Whatsoever we feel and know Too sedate for outward show. Wordsworth. -- Se*date"ly, adv. -- Se*date"ness, n.