Mary Kay in Plano, Texas, got dinged by her boss for ending a list with whatnot, as in “travel or business or whatnot.” The word is a loose equivalent of etcetera, and the sense comes from the idea of “what would not be included.” Some dictionaries...
So, can a sentence begin with the word so? Which ones? So is oftentimes used in place of therefore to conclude an explanation, but more people are using it as a general sentence-starter, in the same vein as well. Grant notes that while it may be...

