Intrepid :: Intrepid (a.) Not trembling or shaking with fear; fearless; bold; brave; undaunted; courageous; as, an intrepid soldier; intrepid spirit..
Intrepidity :: Intrepidity (n.) The quality or state of being intrepid; fearless bravery; courage; resoluteness; valor.
Intrepidly :: Intrepidly (adv.) In an intrepid manner; courageously; resolutely.