The success that followed 16 years later was a matter of happenstance,not of strategy.

All of these differences add up to make each planet unique, a product ofhappenstance and history.

But the happenstance habits of nature were steadily being integrated intothe control program of man.

The German was just a happenstance, a castaway in the war for Arzachel.

Out of the chaos of happenstance they were finding rules of order, certain formulas of behavior, equations of force.

This is contrasted to happenstance decision making based on impulsiveness and wishful thinking.

As for deceased, his ontimely evaporation that a-way is but the frootes ofhappenstance.