IPA: /prəˈpɪʃəsli/
KK: /prəˈpɪʃəsli/
In a way that is likely to produce a good result or is favorable.
The weather was propitiously sunny for our outdoor wedding.
Propitiously → It is formed from "propitius" (meaning favorable or gracious) in Latin, combined with the adverbial suffix "-ly" (meaning in a manner of). The word "propitiously" means in a manner that is favorable or gracious.
Think of being in a 'favorable' situation ('propitius') and how that makes things go well — that's what it means to be propitious.