abet
verb
°To assist or encourage by aid or countenance, especially in crime.
"He plans to abet an ill-doer."
°To support, countenance, maintain, uphold, or aid any cause, opinion, or action; to maintain; -- (Obsolete) in a good sense.
noun
°(obsolete) An act of abetting; of helping; of giving aid.
synonyms: incite, instigate, set on, egg on more» , foment, advocate, countenance, encourage, second, uphold, aid, assist, support, sustain, back, connive