Marvelously

The absence of alternatives clears the mind marvelously.

Source: tatoeba (2655614)

She was marvelously good.

Source: tatoeba (10102064)

I know that my young squire will marvelously assume the grace, voice, poise, and gestures of a woman of noble bearing.

Source: tatoeba (13307633)

With a vicious lunge the elephant swerved to the right to dispose of this temerarious foeman who dared intervene between himself and his intended victim; but he had not reckoned on the lightning quickness that could galvanize those steel muscles into action so marvelously swift as to baffle even a keener eyesight than Tantor’s.

Source: wiktionary