Formidable-but-awesome behavior Crossword Clue

 The answer to the crossword clue "formidable-but-awesome behavior" is badassery. This is a noun that means "courageous and impressive behavior." It can also be used to describe someone who is very confident and cool.

Here are some other words that could be used to describe formidable-but-awesome behavior:

Daring

Fearless

Gutsy

Heroic

Magnificent

Spectacular

Unflinching

Untamed

Vicious

Wild

I hope this helps!