serendipity

About 0.29 uses per million words.

Meaning

1. noun The phenomenon of making an unplanned, fortunate discovery through a combination of unexpected circumstances and insightful recognition.
2. noun An unsought, unintended or unexpected, but fortunate, discovery or learning experience that occurs by accident.
3. noun The occurrence and development of events by chance in a happy or beneficial way.

Similar words

chance accident random coincidence randomness luck godsend trouvaille kismet occasion

Often followed by

and in of is that to or was as

Word family

serendipities