Definition of abettor:
assistant (part of speech: noun)
- confederate (part of speech: noun)
- "The Husbands of Edith", George Barr McCutcheon.
Each of these wrong opinions is an illustration and type, as it is a standing support and abettor, of some kind of wrong reasoning, though they are not all on the same scale nor all of them equally instructive.- "On Compromise", John Morley.
I shall be looked upon as your accomplice and abettor- people will say Jonathan Wild was but a type of me- boys will hoot at me as I pass along; and the cinder- wenches belch forth reproaches wafted in a gale impregnated with gin: I shall be notorious- the very butt of slander, and sink of infamy!- "The Adventures of Roderick Random", Tobias Smollett.