How to Use "fortuitous" with Example Sentences

1. Announced before the crisis struck , this spending was fortuitous .
2. Since the price stability you describe is not matched in other markets , could it be purely fortuitous ?
3. Twelve years after its japanese release , the action flick arrives in the u.s. at a fortuitous moment .
4. An ability to identify a fortuitous opening is not something that can be easily taught within a prescribed structure .
5. My friend e-mailed me and wanted to know what the positive psychology folks might think about such a meeting : how might fortuitous circumstances influence our wellbeing ?