is a specific kind of: feeling.

is a broader term that covers: security.

is the opposite of: fear, fearfulness, fright.

derivation: fearless, unafraid | audacious, brave, dauntless, fearless, hardy, intrepid, unfearing.

is a specific kind of: braveness, bravery, courage, courageousness.

is a broader term that covers: coolness, nervelessness | boldness, daring, hardihood, hardiness | gutsiness, pluck, pluckiness.

is the opposite of: fearfulness.

derivation: audacious, brave, dauntless, fearless, hardy, intrepid, unfearing.