The word "apriorities" appears to be a typographical error. The correct term is "a priori," which is used to describe knowledge or reasoning based on theoretical deduction rather than on observation or experience. "A priori" is pronounced [ey prahy-awr-ee], with the stress on the second syllable. The "a" in "a priori" is pronounced as "uh," while the "i" is pronounced as a long "e." It is important to use correct spelling and pronunciation to ensure clear communication.