dashingly

In a dashing manner.

[…] Sir Benjamin was compelled to put her into the possession of the solid sum of twenty thousand pounds; with one part of which her debts were paid to liberate Block from prison, and with the remainder he dashingly resolved to cut his employers, who had refused his drafts, and set up in trade for himself […]

[…] what could be more dashingly brilliant in naval warfare than Drake’s raids on San Domingo, Carthagena, Cadiz, and other ports and cities of old and new Spain […]

In a dashing manner.

1816, Henry Koster, Travels in Brazil, London: Longman, Hurst, Rees, Orme & Brown, Chapter 10, p. 188, The sedan chairs, in which the ladies go to church, and pay visits to their friends, had now put on a much smarter appearance, and the men who carried them were dressed more dashingly.

Now, at twenty, she was to be married to Harry McKee, […] a man of thirty-four who wore his clothes and his slang dashingly.