Wiktionary
serendipitously
adv. By serendipity; by blind luck in combination with wisdom; by fortunate accident.
Usage examples of "serendipitously".
Mackintosh reaches into the top drawer of his desk to find a fresh sheet of paper on which to crystalise his thoughts, or more serendipitously for another chocolate biscuit to sustain him.
That had neutralized the smell for stingers on other occasions: a handy survival tip she had serendipitously discovered on her own.