sharp as a tack
smart as a whip
whip-smart
smart as paint
brilliant
hypersmart
brainbox
brain surgeon
brilliantly
IQ
brain
sharp
big brain
ultrasmart
fundu
supersmart
intelligently
gaumish
ultraintelligent
smartly
Einstein
akamai
bright
smartish
hyperintelligent
superintelligent
gyani
superbrain
intelligent person
hyperintelligence
brainy
supercerebral
tippy
brightness
sagacious
dab-handed
perspicacious
sharp-witted
sapient
einstein
smarts
quick on the uptake
mind like a steel trap
brainiac
good head on one's shoulders
savvy
intelligentially
shrewd
fly-ass
supersophisticated