brain
sharp
brightness
whip-smart
smart as a whip
akamai
smart as paint
sharp as a tack
IQ
gaumish
supersmart
smarts
brilliant
hypersmart
hyperintelligence
big brain
fundu
intelligently
smartish
superintelligent
ultrasmart
hyperintelligent
smartly
mind like a steel trap
ultraintelligent
cleverality
brainbox
tippy
brain surgeon
cleverness
smartness
cleverish
intelligentially
intelligentness
sapient
brilliantly
intelligenced
razor-sharp
sagacious
perspicacious
noetic
cleverishness
smaaart
good head on one's shoulders
keenness
Einstein
savvy
sharpness
acuteness
scintillating