What is the synonym for word coincidence?

Here are some synonyms for "coincidence", depending on the context:

General:

* Chance

* Happening

* Fortuity

* Accident

* Serendipity

* Fluke

* Oddity

* Curiosity

Emphasis on timing or connection:

* Synchronicity

* Concurrence

* Simultaneity

Emphasis on unexpectedness:

* Surprise

* Unforeseen

* Unexpected

Emphasis on the ironic or comical:

* Irony

* Fate

* Destiny

The best synonym depends on the specific situation and what aspect of "coincidence" you want to emphasize.