Regular readers will know I'm quite fond of the term grok. This sometimes results in puzzled looks, so here is my Guide to Grok (and why you should care):
Grok means to understand intuitively, deeply, empathically.
Grok is what the Internet calls scholarship.
Grok is the knowledge you cannot unlearn.
Grok is a verb. Grok is active. Grok is a doing word.