Splendour is a related term of importance.
As nouns the difference between splendour and importance
is that splendour is while importance is the quality or condition of being important or worthy of note.
splendour
English
Noun
(-)
Usage notes
The standard spelling in modern British English is splendour', with ' splendor being the American and dated British spelling.
importance
English
Noun
(-)
The quality or condition of being important or worthy of note
significance or prominence
personal status or standing