What does "fundamentality" mean?

The state or quality of being fundamental.

What is a synonym for "fundamentality"?

Common synonyms include: basics, basis, core, essence, foundation, homogeneity.

noun

noun ·Rare ·Advanced level

Noun

1
The state or quality of being fundamental. uncountable, usually
"For the standard arguments against physicalism[…]do not establish the fundamentality of the mental in any case."

"For the standard arguments against physicalism[…]do not establish the fundamentality of the mental in any case."

From fundamental + -ity.