Antonyms of noun stupidity

1 of 2 senses of stupidity

Sense 1
stupidity -- (a poor ability to understand or to profit from experience)
       Antonym of intelligence (Sense 1)
      => intelligence -- (the ability to comprehend; to understand and profit from experience)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun stupidity

2 senses of stupidity

Sense 1
stupidity -- (a poor ability to understand or to profit from experience)
       => inability -- (lack of ability (especially mental ability) to do something)

Sense 2
stupidity, betise, folly, foolishness, imbecility -- (a stupid mistake)
       => mistake, error, fault -- (a wrong action attributable to bad judgment or ignorance or inattention; "he made a bad mistake"; "she was quick to point out my errors"; "I could understand his English in spite of his grammatical faults")