a. Philos. Obs. rare1. [f. Gr. ἐπιστημονικ-ός capable of knowledge, f. ἐπιστήμων knowing, f. ἐπιστήμη knowledge + -AL.] ? Capable of becoming an object of knowledge.
a. 1688. Cudworth, Immut. Mor., IV. v. § 5. No Man ever was or can be deceived in taking that for an Epistemonical Truth which he clearly and distinctly apprehends.