fortuitous

Definitions

Happening by a lucky chance rather than intention.

Having or marked by good fortune; auspicious.

Examples

It was a fortuitous coincidence that we both ended up at the same cafe at the exact same time.

The team's fortuitous discovery of the hidden cave led to a major archaeological breakthrough.

His fortuitous meeting with the director at the airport ultimately launched his acting career.

Synonyms

accidental chance fluky incidental lucky serendipitous unforeseen

Antonyms

calculated deliberate intended intentional planned premeditated purposed