1) a seriousness in wanting to do something successfully (determination)
2) (an instance of) a lack of seriousness (levity)
an enthusiastic feeling
excitement, enthusiasm
the state of being important; a high social or professional position
significance, weight
severity
severity
the quality of being sincere
straightforwardness, honesty
the condition of being solemn
sobriety
determination
determination
the importance of, need for, haste or quick action
imperativeness