staid /stād/

1. Steady
2. Sober, grave or sedate, often implying a dull or boring quality
3. Permanent (rare)

staidˈly adverb

staidˈness noun

• soothers
• soothes
• soothest
• soothfast
• soothfastly
• soothfastness
• soothfastnesses
• soothful
• soothing
• soothingly
• soothings
• soothlich
• soothly
• sooths
• soothsaid
• soothsay
• soothsayer
• soothsayers
• soothsaying
• soothsayings
• soothsays
• sootier
• sootiest
• sootily
• sootiness