Noun
intelligence [pl. intelligences]
brain [pl. brains]
wits [sing. wit]
savvy {relations}
talent [pl. talents]
understanding [pl. understandings] , {relations}
smartness [pl. smartnesses]
acumen [pl. acumens]
mentality [pl. mentalities]
wit [pl. wits]
brilliancy [pl. brilliancies]
sagacity [pl. sagacities]