What does ARTIFICIAL PRESUMPTIONS mean? May 20, 2017 All Dictionary ARTIFICIAL PRESUMPTIONS meaning in Law Dictionary known as "legal presumptions;" those that derive their power and result through the legislation, versus their normal habit of create belief. 3 Starkie, Ev. 1235. Gulick v. I/Oder. 13 N. J. Law, 72, 23 Am. Dec. 711.