Brainpower measure is a term used to describe the ability of an individual to think and reason. It can be measured in various ways, such as through the use of tests or surveys. The three crossword solutions for this term are WIT (3 letters), SENSE (5 letters), and SMARTS (6 letters). WIT stands for intelligence, SENSE stands for wisdom, and SMARTS stands for knowledge. Together, these three words represent the different aspects of brainpower measure.