fortuity

For most people, their making it involves no luck, no fortuity, no assistance from barely visible yet ever-present forces.

But if the circumstance was a mere fortuity, the way the GOP used Ground Zero to its benefit was very much a matter of design.

It all rested on the fortuity of her getting five minutes alone with him.

His succession to the throne was rather a fortuity than the result of hereditary claim.