The state, condition, or quality of being stupendous.(noun)
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Use "stupendousness" in a sentence
"The fact that your site is so varied in what you post is precisely the reason for its stupendousness word? and anyone that is familiar with the music blog scene knows that yours is one of the best..where else can you find a post about Hanna Barbera classics next to one highlighting the best new hip-hop?"
"[It] should blend stupendousness with elegance, and be of such magnitude and beauty as to be an object of pride to the American people, and of all who see it."
"What a small matter it seems now, after our astronomical stupendousness! and yet on my way to you it so far transcended the ordinary matters of my life as the subject you have led me up to transcends this."