grok

 
Pronunciation: /ɡrɒk/

verb (groks, grokking, grokked)

[with object] US informal
  • understand (something) intuitively or by empathy: corporate leaders seemed to grok this concept fairly quickly
  • [no object] establish a rapport: nestling earth couple would like to find water brothers to grok with in peace

Origin:

1960s: a word invented by Robert Heinlein (1907–88), American author