shrewd
gyani
IQ
sharp-witted
ept
gaumish
intellectual
Besserwisser
akamai
sapient
sentient
knowing
prudent
worldwise
quick
clever
gnib
brightness
brilliant
tippy
hypersmart
bright spark
sagaciously
ultraintelligent
learnedly
supercerebral
quick on the uptake
smart as a whip
bright
have a head for
brainiac
smarts
intelligently
person
smart as paint
whip-smart
sharp as a tack
knowsome
Einstein
know like the back of one's hand
sussed
smartish
moxie
fly-ass
brain
scholar and gentleman
avuncular
sharp
intelligent person
bel esprit
know-everything
yare
smartling
boffin
big brain
cluefulness
bright as a button
canny
nattily
prehensile
know one's stuff
brain surgeon
downy
tasty
clueful
good-hearted
adept
knowledgeably
cluon
good
laanie
practiced
weapon
knowledgeability
intelligentially
mind like a steel trap
savvy
omniscientist
snazzy
wiseacre
smarty pants
brainial
good head on one's shoulders
abreast
smarty boots
genius
chochem
grip
bland
sagacious
dwimmer-crafty
perspicacious
not just a pretty face
smart cookie
expertise
expertness