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

• Lexulous
• Wordscraper
• Wordosaur

n. the state or quality of being numerous

n. The state of being numerous or many; the condition of consisting of a great number of individuals.

n. Poetic quality; melodiousness; musicalness.

n. a large number

"They were used to a living environment where they didn't need to be cautious; their numerousness made them indestructible."

figure    number   

multitudinousness   

multitude   

harmonizing    dicussion    meeting    mispronunciation    straight-away    tantalization    dawnlight    non-fulfilment    saltatory    mail carrier