LIGHTLY (_comparative_ LIGHTLIER _or_ MORE LIGHTLY, _superlative_ LIGHTLIEST _or_ MOST LIGHTLY)
* In a light manner.
_As a teacher, I don't take rudeness in class LIGHTLY._
* 1907, Robert W. Chambers, chapter VIII, _The Younger Set_:
Elbows almost touching they leaned at ease, idly reading the almost obliterated lines engraved there. ¶ "I never understood it," she observed, LIGHTLY scornful. "What occult meaning has a sun-dial for the spooney? _I'm_ sure I don't want to read riddles in a strange gentleman's optics."
* take lightly