daringness

The locomotive was a symbol for power, daringness and rapidity.

His combination of excellence in academia and brilliance in thought, simplicity in life, affection towards his friends and exemplary daringness attracted many idealists and they rallied around him.

I'm a vegetarian, so that sentiment could come from a purely philosophical standpoint, but I won't lie: Picturing a plateful of bugs - even doused in something delicious like salsa or guacamole - just sounds way more grisly than my dietary daringness allows for, vegetarian or no.