IPA: /fɔːˈtjuːɪtəsli/
KK: /fɔrˈtjuːɪtəsli/
In a way that happens by chance or luck, often resulting in a positive outcome.
She fortuitously found a $20 bill on the ground while walking to the store.
Fortuitously → It is formed from "fortuitus" (from Latin, meaning accidental or happening by chance) and the suffix "-ly" (meaning in a manner). The word "fortuitously" means happening by chance or accident, often in a fortunate way.
Think of something happening by chance or accident, which is what 'fortuitously' means. The root 'fortuitus' reminds you that it refers to events that occur unexpectedly.