Grandeur

• The quality of being grand, magnificent, or splendid
• The quality of being impressive or awesome
• The quality of being lofty or elevated in conception or treatment
• The quality of being exalted in some deliberate way
• An instance of something that is grand
• Small pieces of fruit, herbs, etc., that are put on food as a decoration
• The importance or social status someone has or thinks they have

Synonyms of grandeur include: Brilliance, Grandness, Magnificence, Splendor. 

The word grandeur comes from the French word grand which means “great, grand” and the Latin word grandis which means “full-grown, big, great”.