serendipitous

[ser-uh n-dip-i-tuh s]

adjective

come upon or found by accident; fortuitous: serendipitous scientific discoveries.
of, relating to, or suggesting serendipity.
good; beneficial; favorable: serendipitous weather for our vacation.

Origin of serendipitous

First recorded in 1940–45; serendipit(y) + -ous

Related formsser·en·dip·i·tous·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Serendipitously, a stranger approached Guy and asked him if he knew how to play the guitar strapped across his back.
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Then, serendipitously, a note from one of Edwards' richest donors arrived offering help.
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April 25, 2012

1914; see serendipity + -ous. Related: Serendipitously.