Noun

• 1. wisdom that is recondite and abstruse and profound;

  "the anthropologist was impressed by the reconditeness of the native proverbs"

• 2. the intellectual ability to penetrate deeply into ideas

• 3. the quality of being physically deep;

  "the profundity of the mine was almost a mile"

• 4. intellectual depth; penetrating knowledge; keen insight; etc;

  "the depth of my feeling"

  "the profoundness of the silence"