- Happening by chance; coming or occuring unexpectedly,
or without any known cause; chance; as, the fortuitous concourse of
atoms. - Happening independently of human will or means of
foresight; resulting from unavoidable physical causes.
Meaning of 'fortuitous' (Princeton's WordNet)
1 . fortuitous
[ s]
Meaning (1): - having no cause or apparent cause
Example in sentence:
a causeless miracle;
fortuitous encounters--strange accidents of fortune;
we cannot regard artistic invention as...uncaused and unrelated to the times
Meaning (2): - occurring by happy chance
Example in sentence:
profits were enhanced by a fortuitous drop in the cost of raw materials