brainpower

noun

1. (uncountable, usually)Mental ability; intelligence.

   “He applied his brainpower to the problem.”

2. (idiomatic, uncountable, usually)Intelligent people considered or regarded as a group.

   “I suspect the think tank lacks the brainpower to function effectively.”

   ““Brainpower rankings usually identify the usual suspects: college towns like Boston, Washington, D.C., and the San Francisco Bay area. And to be sure, these places generally have the highest per capita education levels.””