Definition of abets:
(v) :
(transitive, crime) To incite; to assist or encourage by aid or countenance in crime.
(v) :
(transitive) To support, countenance, maintain, uphold, or aid (any good cause, opinion, or action).
(v) :
(obsolete, transitive) To urge on, stimulate (a person to do) something desirable.
(v) :
(obsolete) To back up one's forecast of a doubtful issue, by staking money, etc., to bet.
(n) :
(obsolete) Fraud or cunning.
(n) :
(obsolete) An act of abetting; of helping; of giving aid.