noun, plural for·tu·i·ties for 2, 3.
Examples from the Web for fortuity
For most people, their making it involves no luck, no fortuity, no assistance from barely visible yet ever-present forces.
Let us change the situation then, but let us change it thoroughly, and so that its fortuity becomes powerless, and a law!The Ego and His Own|Max Stirner
His succession to the throne was rather a fortuity than the result of hereditary claim.An Illustrated History of Ireland from AD 400 to 1800|Mary Frances Cusack
And in some cases consideration only increases the fortuity of its results.The Mountebank|William J. Locke