Euhemerism
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) The theory, held by Euhemerus, that the gods of mythology were but deified mortals, and their deeds only the amplification in imagination of human acts.
The Nuttall Encyclopedia [2]
The theory that the gods of antiquity are merely deified men, so called from Euhemeros, the Greek who first propounded the theory, and who lived 316 B.C.
