Other synonyms: absence, bankruptcy, blemish, damage, debit, decline, defect, defectiveness, delinquency,
If the blow were to say break his nose that is serious bodily injury and now you are looking at a Class B felony, Assault 2. If the blow was still serious and resulted in bodily injury but not as serious as an Assault 1 or 2 then you have a Class C felony, assault 3.
You can be arrested for a misdemeanor and then indicted on a felony. The DA can charge or amend to a felony if the facts make it out, and you can be charged with any crime that the DA feels can be proved as long as they have a supporting deposition that includes all the elements of the felony charged. crime that can be charged as either a misdemeanor or a felony is known as a wobbler. To answer your question, yes, a misdemeanor can be charged as a felony if that crime for which you have been arrested is a wobbler.