The term "adult intelligence" generally refers to the cognitive abilities and skills that develop as individuals mature into adulthood. There are numerous synonyms that can describe this concept, including mature intellect, grown-up reasoning, advanced mental abilities, developed cognitive capacity, refined reasoning, sophisticated thinking, and enhanced rationality. These synonyms highlight the idea that adult intelligence requires a level of growth, experience, and learning that comes with age and maturity. Other synonyms may include critical thinking, analytical reasoning, problem-solving, adaptability, and creativity, which all play significant roles in shaping an individual's adult intelligence. Overall, there are multiple ways to describe the unique intellectual abilities that individuals possess as they navigate their way through adulthood.