as seen on yen's blog:Grok: To understand profoundly through intuition or empathy.which reminded me of madeleine l'engle's "to kythe" which was coined from the scottish word for "to know" - to mean mind-to-mind communication, which is a little like being interassured of the mind only better, not knowing, just being.Comes from Robert A. Heinlein's novel "Stranger in a Strange Land", where it is a Martian word meaning literally "to drink" and metaphorically "to be one with".