It sure is.

https://www.merriam-webster.com/dictionary/embiggen

A noble spirit embiggens the smallest man.

Interesting thing about "embiggen" -- the Simpsons _didn't_ invent it. It was already a thing, the show merely popularized it.

It's a century older.

Merriam may not know, but the OED does:

https://www.lexico.com/definition/embiggen

From page 28 of https://arxiv.org/abs/hep-th/0610212

> For large P , the three-form fluxes are dilute, and the gradient of the Myers potential encouraging an anti-D3 to embiggen is very mild.

Yes but if it was not cromulent, what would you say instead?

If it were not cromulent, one might choose a less disputatious synonym, such as "enlarge".

For unwonted synonyms I usually refer to Thesaurus.

https://www.google.ru/search?q=oh+crap+it%27s+a+thesaurus&tb...

Perhaps mongol was fishing for

> A noble spirit encromulates the smallest man.