This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Plural form of manner.

n. Etiquette (always plural in this sense).

n. social deportment

"I actually think the decline in manners is more worrisome, because a lot of moral behavior is grounded in good manners."

deportment    conduct    demeanor    demeanour    behavior    behaviour   

ill-mannered    bad manners    good manners    well-mannered    table manners   

banners    enchanters    lanners    manors    planners    scanners   

deal    honour    activity    dignity    success    trust    sufferin    genius    while    Writings