An amnestic is, loosely speaking, anything pertaining to forgetfulness. This included amnestic elixirs, which may cause an individual to forget events within a certain time frame, or of a particular nature. Amnestic memetic elements are those which make an ideon challenging for a mind to hold on to, or may otherwise hide correlated information from memory. An amnestic field is a region where in things inside the field will slip from the viewers mind.