profundity
[noun]
Synonyms: depth, abyss, deepness, profoundness

[TahlilGaran] English Synonym Dictionary ▲

pro‧fun‧di‧ty /prəˈfʌndəti, prəˈfʌndɪti/ noun (plural profundities) formal

1. [uncountable] when someone or something shows great knowledge and understanding, or strong serious feelings Synonym : depth:
The cartoon version lacks the profundity of the original text.

2. [countable usually plural] something that someone says that shows great knowledge and understanding:
the profundities of her speech

[TahlilGaran] Dictionary of Contemporary English ▲