1. A circumstance or set of conditions that are advantageous, suitable, or conducive to a particular outcome or action
The economic recovery created a propitious situation for business expansion.
A recuperação econômica criou uma situação propícia para a expansão dos negócios.
2. A moment or time that is well-suited or opportune for doing something
We were waiting for the right propitious situation to announce the news.
Estávamos aguardando uma situação propícia para anunciar a notícia.