20 entries under noun topic. ×

6
brain(intelligence, intellect)
5
mentality(intelligence, intellect)
4
brainpower(intelligence, intellect)
3
caliber(aptitude, IQ)
3
learning ability
3
wit
2
intellect
2
intelligence
2
intelligence quotient
2
mind(intelligence, intellect)
2
understanding(intelligence, intellect)
0
IQ(aptitude, caliber, calibre)
0
brains(intelligence, intellect)
0
compass of mind(expression, idiom, aptitude, caliber)
0
grasp(intelligence, intellect)
0
intellectual power(expression, intelligence, intellect)
0
mental ability(expression, intelligence, intellect, aptitude)
0
mental age(expression, aptitude, caliber, IQ)
0
mental caliber(expression, aptitude, caliber, IQ)
0
mental ratio(expression, aptitude, caliber, IQ)
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APASmart Define. (2015). mental capacity thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mental_capacity/thesaurus/synonyms
ChicagoSmart Define. 2015. "mental capacity thesaurus" https://smartdefine.org/mental_capacity/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mental capacity thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mental_capacity/thesaurus/synonyms>.
MLASmart Define. "mental capacity thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/mental_capacity/thesaurus/synonyms>