Meaning: having or showing a quick-witted intelligence or a high degree of mental ability.
Pronunciation (production): Dominant "open-8" (handshape) with the middle in contact with the temple of the head (location), palm facing left if right-handed (orientation), swings outward (movement).
Related signs: INTELLIGENT, CLEVER, BRIGHT, GENIUS.
Opposite: STUPID.
First 100 words.
As you feel more comfortable with the first few hundreds of ASL signs, progress further with your vocabulary and learn signing more.