accident ***
stroke **
fortuity
chance event

But he changed after a chance event in 1845.

What we call chance events have their roots down at that level.

Sometimes it is a chance event that creates the sense of urgency needed to advance an issue.

But in 1979, a chance event shed new light on the cause.

"It was a chance event that created the specific mutation," he said.

There are many chance events in the world, but apart from that, there's also something called predetermination.

Miscarriage is usually a chance event, not a sign of an ongoing problem.

Right now, you could be stopped by all kinds of chance events.

When the number of animals in an isolated community is so low, they are especially vulnerable to chance events.

The business started in 1871 as the result of a chance event.