Buddha
smartass
Besserwisser
chochem
Albert Einstein
know any better
know-everything
wisenheimer
gyani
wiseacre
clued in
know one's onions
intellectual
smartassy
huncher
cluon
smarty pants
smarty boots
knowsome
know one's shit
smart aleck
wise-hearted
knowledgeability
cluefulness
worldwise
epistemologically
knowingness
cleverness
epistemically
clever clogs
know-it-allery
arcana
clever Dick
boffin
appreciator
bright spark
shrewd
intelligent person
wiseacreism
know-all
phony
know like the back of one's hand
guesser
scient
know-it-all
smaaart
know which end is up
expert
wisecracker
know one's way around
episteme
educated guess
sentient
brain
smartness
sapient
wisdom
metaknowledge
out of one's cotton-picking mind
quiz
test
gaumish
brightness
practical
divine
discretion
know one's ass from a hole in the ground
IQ
sussed
witting
grok
rube
smartling
snitchee
on one's own ground
wiseling
knowability
rocket scientist
smarts
all-knowing
sophisticate
Nelsonian knowledge
second-guess
understanding
canny
signpost
theory of mind
realization
intelligentially
generalist
perspicacious
expertise
expertness
sagacious
intellect
know