profound 1

concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually

intellectual depth; penetrating knowledge; keen insight; etc

intellectual depth; penetrating knowledge; keen insight; etc

the intellectual ability to penetrate deeply into ideas

the intellectual ability to penetrate deeply into ideas

extremeness of degree

possessing or displaying a distinctive feature to a heightened degree

characteristic of scholars or scholarship

marked by depth of thinking

having intellectual depth