epistemology
Longman Dictionary of Contemporary English OnlineLDOCE Onlinee·pis·te·mol·o·gy /ɪˌpɪstəˈmɒlədʒi $ -ˈmɑː-/ noun [uncountable] the part of philosophy that deals with how we know things, how firmly we can know things etc —epistemological /ɪˌpɪstəməˈlɒdʒɪkəl $ -ˈlɑː-/ adjective
e·pis·te·mol·o·gy nounSyllable