1.
[syn: accident, stroke, fortuity, chance event]
The Collaborative International Dictionary of English v.0.48:
Fortuity \For*tu"i*ty\, n. [Cf. F. fortuit['e].]
Accident; chance; casualty. --D. Forbes (1750).
[1913 Webster]
WordNet (r) 3.0 (2006):
fortuity
n 1: anything that happens suddenly or by chance without an
apparent cause; "winning the lottery was a happy accident";
"the pregnancy was a stroke of bad luck"; "it was due to an
accident or fortuity" [syn: accident, stroke,
fortuity, chance event]