Quote Originally Posted by El Barto View Post
If I may correct you, my dear sir, 'thus' is an adverb in its own right, so, adding the '-ly' subject is completely needless and creates a nonexistent word.

I do declare that this proposed game of 'murder' might be interesting of course. Jolly good show, what?
No, you are mistaken.

"Thus" is a verb. "Thusly" is clearly an adverb.

Noun forms include "thussion", "thussitude", and "thusburger".