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