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Aiding or contributing in a secondary way or assisting in or contributing to as a subordinate.

In CRIMINAL LAW, contributing to or aiding in the commission of a crime. One who, without being present at the commission of an offense, becomes guilty of such offense, not as a chief actor, but as a participant, as by command, advice, instigation, or concealment; either before or after the fact or commission.

One who aids, abets, commands, or counsels another in the commission of a crime.

In common law, an accessory could not be found guilty unless the actual perpetrator was convicted. In most U.S. jurisdictions today, however, an accessory can be convicted even if the principal actor is not arrested or is acquitted. The prosecution must establish that the accessory in some way instigated, furthered, or concealed the crime. Typically,...