Loftiness is a related term of sublimity.
As nouns the difference between loftiness and sublimity
is that loftiness is the state of being lofty while sublimity is (uncountable) the state of being sublime.
loftiness
English
Noun
The state of being lofty.
arrogance or haughtiness
sublimity
English
Noun
(uncountable) The state of being sublime.
(countable) Something sublime.