courageous,
brave possessing or displaying courage; able to face and deal with danger or fear without flinching; "Familiarity with danger makes a brave man braver but less daring"- Herman Melville; "a frank courageous heart...triumphed over pain"- William Wordsworth; "set a courageous example by leading them safely into and out of enemy-held territory"
spirit a fundamental emotional and activating principle determining one's character
mettle,
spunk,
nerve,
heart any bundle of nerve fibers running to various organs and tissues of the body
feeling the experiencing of affective and emotional states; "she had a feeling of euphoria"; "he had terrible feelings of guilt"; "I disliked him and the feeling was mutual"