Happening by accident or chance rather than design.; Happening by a lucky chance; fortunate.
‘the similarity between the paintings may not be simply fortuitous’
‘from a cash standpoint, the company’s timing is fortuitous’
‘Much of the success of the text is by design, other aspects are by fortuitous accident.’
‘The loft above the work space was a fortuitous accident that happened during construction.’
‘The goal was the key score, and a rather fortuitous one.’
‘Violence itself becomes a means of reassurance, a fortuitous opportunity through which the strength of re-enforced steel is tested.’