All three essentially mean pointing toward a happy outcome, with some differences of emphasis. Likely to result in success, or showing signs of success Likely to result in success, or… See examples of propitious used in a sentence. Definitions of propitious adjective presenting favorable circumstances Likely to result in or show signs of success “ propitious omens”
Presenting favorable circumstances or showing signs of a favorable outcome Grandmothers consulted almanacs to determine a propitious hour for the betrothal (jhumpa lahiri). Gracious or favourably inclined.click for more definitions. Definition of propitious adjective from the oxford advanced learner's dictionary Propitious (for something/somebody) likely to produce a successful result It was not a propitious time to start a new business