(1):
(n.) Act of abetting; aid.
(2):
(v. t.) To instigate or encourage by aid or countenance; - used in a bad sense of persons and acts; as, to abet an ill-doer; to abet one in his wicked courses; to abet vice; to abet an insurrection.
(3):
(v. t.) To support, uphold, or aid; to maintain; - in a good sense.
(4):
(v. t.) To contribute, as an assistant or instigator, to the commission of an offense.