Answer: MENSAN

AnswerCrossword Clue
MENSANTop-two-percenter
MENSANIQ test acer
MENSANCertain brainiac
MENSANSmart one
MENSANHigh-IQ society member
MENSANOne of the smart set
MENSANBrainiac, maybe
MENSANHigh IQ society member
MENSANMember of a high-IQ society
MENSANBrainy type
MENSANPerson with a mental bloc?