[ahnick]

I think the best concise definition I've run across is what I heard Yann LeCun say in his recent interview with Lex Fridman.

“The essence of intelligence is the ability to predict.” -Yann LeCun

[colordrops]

That's just the current idea of how the brain works - predictive processing. As we advance our understanding perhaps this will be seen as only one facet of intelligence. For instance, where does creativity fit into this definition?