Correct spelling for the English word "propitions" is [pɹəpˈɪʃənz], [pɹəpˈɪʃənz], [p_ɹ_ə_p_ˈɪ_ʃ_ə_n_z] (IPA phonetic alphabet).
The word "propitious" derives from the Latin word "propitius", which means "favorable" or "gracious". It stems from the combination of the Latin prefix "pro-" (meaning "in favor of" or "forward") and the root word "petere" (meaning "to seek" or "to aim for"). Over time, the word evolved in English to take the form "propitious", which refers to something that is advantageous, favorable, or likely to bring success.