body
brain
business
continuous
creativity
curve
design
doodle
drawing
egghead
exclamation
exclamation mark
genius
graphic
head
human
icon
idea
intellect
intelligence
isolated
line
man
marrow
media
mind
nerd
neurology
noggin
old
organ
outline
pate
people
pericranium
question
science
sign
silhouette
smart
smart aleck
social
symbol
think
wiseacre
wisenheimer
wit
wits
wow
young