fortuitous

Etymology

From Latin fortuītus.

adj

1. Happening by chance; coincidental, accidental.
2. Happening by a lucky chance; lucky or fortunate.
   Admiral Kurita has no identification charts for escort carriers, and, so, assumes that the distant targets are fleet carriers. Commensurately, by scale, their escorts must either be battleships or cruisers. The Japanese forces therefore continue to load armor-piercing rounds, what will turn out to be a very fortuitous mistake for their targets for as long as it lasts. 27 February 2019, Drachinifel, 12:25 from the start, in The Battle of Samar - Odds? What are those?, archived from the original on 2022-11-03
   England were ragged at this point but the response was full of conviction, equalising swiftly then taking control before the tiring Danes and the magnificent Schmeichel were finally overcome with Kane's fortuitous winner. July 7 2021, Phil McNulty, “England 2-1 Denmark”, in BBC Sport
3. (law) Happening independently of human will.