fortuitous
Word family nounfortuitismfortuitistfortuitousnessadverbfortuitouslyadjectivefortuitous
for·tu·i·tous /fɔːˈtjuːɪtəs $ fɔːrˈtuː-/ adjectiveadj formal CHANCE/BY CHANCEhappening by chance, especially in a way that has a good result 偶然(发生)的;幸运的 The meeting with Jack was fortuitous. 遇到杰克是机缘巧合。
► see thesaurus at lucky —fortuitously adverbadv
Origin fortuitous (1600-1700) Latin fortuitus, from fors “chance, luck”