body
brain
business
continuous
creativity
doodle
drawing
egghead
genius
good
hand
head
idea
intellect
intelligence
invention
lamp
light bulb
line
man
marrow
media
mind
nerd
neurology
noggin
ok
organ
people
pericranium
science
sign
silhouette
smart
smart aleck
social
symbol
think
wiseacre
wisenheimer
wit
wits
wrist
young