know one's shit
know one's onions
know one's way around
know what one is doing
have a clue
information
plug into
clued in
know any better
lexicon
pick someone's brain
-nomicon
know one's ass from a hole in the ground
know which end is up
clued up
knowledgeability
pramana
know
term
Buddha
knowledge
quiz
knowing
test
epistemologically
compendious
hear of
know-everything
brain worker
beknow
vocabulary
autoepistemic
grok
epistemically
know A from B
as far as one knows
every trick in the book
know like the back of one's hand
know one's stuff
plugged in
know from a bar of soap
inform
informationalization
informationalisation
let know
skill
scient
instruction
informationize
-fu