fortuitous
/ˌfɔrtˈɪtəs/; /ˌfɔrˈtuːɪtəs/Definitions
1. adjective
happening or resulting from chance, especially in a fortunate way
“Her meeting with the famous author was a fortuitous encounter.”
2. noun
a circumstance or event that is fortunate or useful because it occurs by chance
“Her fortuitous discovery of the hidden talent led to her success in the art world.”