How do you "know" what you know?

Before we can answer questions like "how do I know the right way to act?", we have to understand how we "know". Thankfully there's already a word for that, but it's spooky, since it's an "ology" you've likely not seen before. I'd like to make it less spooky, so lets chat about it. 

We'll get to the"right" part in it's own podcast about having a personal system of decision making. For now, lets talk about what it can mean "to know". P.S., the word is epistemology.