Staid

Part of speech: noun (n.)

imp. & p. p. of Stay.

Part of speech: adjective (a.)

Sober; grave; steady; sedate; composed; regular; not wild, volatile, or fanciful. "Sober and staid persons." Addison. O'erlaid with black, staid Wisdom's hue. Milton.

Synonyms: Sober; grave; steady; steadfast; composed; regular; sedate.