That was not the only fortuitous moment John happened upon in the subway.
For Sobieski, the leading brand in Poland, the timing of its mid-2007 launch was fortuitous.
It was a fortuitous decision, because the plaza's roof happened to be crammed with several hundred refugees.
1650s, from Latin fortuitus "happening by chance, casual, accidental," from forte "by chance," ablative of fors "chance" (related to fortuna; see fortune). It means "accidental, undesigned" not "fortunate." Earlier in this sense was fortuit (late 14c.), from French. Related: Fortuitously; fortuitousness.