Wiktionary
externalist
a. (context epistemology English) Contending that there are non-internal factors which can affect the justificatory status of a belief n. One who adheres to #Adjective beliefs
Usage examples of "externalist".
As with all Externalist arguments, the primary motivation behind the theory would appear to be not so much an arrival at the truth but the absolution of the human race from responsibility for its own destruction.
The Externalists, with characteristic tunnel vision, maintained that the disrupters were simply the final form of the Draan doomsday weapon that had started by causing the nothings and came to full cycle in the Final Cataclysm.