A chance occurrence:
Any chance event.
Chance is defined as happening by unexplainable reasons, luck, a risk, or the likelihood of something happening.
Happenstance is defined as coincidence or by chance.
An early game of chance played with dice, from which craps is derived
The chance happening of fortunate or adverse events; luck:
Luck means someone’s good fortune.
A certain indefinite number; certain ones (of)
The definition of a surprise is something unexpected or unusual.
A single uninterrupted movement, especially when repeated or in a back-and-forth motion:
anything that happens suddenly or by chance without an apparent cause
Find another word for fortuity. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for fortuity, like: fluke, accident, chance, hap, happenchance, happenstance, hazard, fortuitousness, fortune, luck and certain.