serendipitous.

Producing a welcome discovery or outcome through chance.

Use it for

Words that belong together

• serendipitous discovery
• serendipitous encounter

On the page

The serendipitous encounter supplied the missing reference.

Usage notes

Primary category: literary / elevated general. Forms: Normally non-gradable; no ordinary comparative or superlative. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: character, description. Commonness: moderately common.