frivolity Antonyms

seriousness solemnness solemnity sobriety soberness sincerity sensibility permanence gravity galaxy fluency wiseness defining factor shrewdness critical factor key factor deep insight balance of mind serious-mindedness dourness articulacy discreetness determining factor genuineness fairness erudition equanimity clearness clarity canniness calmness calibre bulkiness bigness balance acuteness acumen common sense comprehension conventionality enlightenment eloquence earnestness earnest discrimination discretion discernment dignity depth coolness