Augustness is a related term of sublimity.
As nouns the difference between augustness and sublimity
is that augustness is the state or quality of being august or noble while sublimity is (uncountable) the state of being sublime.
augustness
English
Noun
(head)
The state or quality of being august or noble.
sublimity
English
Noun
(uncountable) The state of being sublime.
(countable) Something sublime.