Abettor (from to abet, Old French abeter, á and beter, to bait, urge dogs upon any one; this word is probably of Scandinavian origin, meaning to cause to bite), is a law term implying one who instigates, encourages or assists another to commit an offence. An abettor differs from an accessory in that he must be present at the commission of the crime; all abettors (with certain exceptions) are principals, and, in the absence of specific statutory provision to the contrary, are punishable to t… (More on Abettor)