Sundayfied

The omnibusses, though working, poor vehicles! look spruce and "Sundayfied." The horses have bunches of ribbons in their ears, and the coachmen carry pinks or dog-roses in their button-holes, or in their mouths.

Source: wiktionary

Every now and then was a distribution of new singing books, bearing fantastical names and filled with "modern music," which for the most part were rollicking melodies, as if Offenbach's jingles had been Sundayfied.

Source: wiktionary

All was still and Sundayfied; the lilacs in full flower scented the air.

Source: wiktionary