Tort in which one or more persons actually commit the physical acts constituting the crime while others, although not physically participating, agree to and assist the actual perpetrators (civil conspirators).
a combination of two or more persons, by some concerted action, to accomplish a criminal or unlawful purpose, or to accomplish a lawful purpose by criminal or unlawful means
a combination of two or more persons who, by some concerted action, intend to accomplish some unlawful objective for the purpose of harming another which results in damage