Civilizedly

They became, not civilly, but civilizedly dead.

Source: wiktionary

[…]; people looked at me half-civilizedly;

Source: wiktionary

Yes, I expect to reach Devil’s Lake some time towards the last of this month, when the thermometers have learned to conduct themselves somewhat more civilizedly.

Source: wiktionary

How much superior to the inhabitants of Jackson, Miss., who fled from their city (1898) because three cases of yellow fever were discovered, were the inhabitants of Munich, Germany, who, in 1874, with 260 deaths from Cholera Asiatica in one day and 14,000 deaths during the ten weeks of epidemic, did not even close the schools, theaters, hotels, in fact continued on living as civilizedly and bravely as in normal times?

Source: wiktionary