Padewski attended the lyceum in Nowa Sól for two years before entering the Capuchin convent in Sędziszów Małopolski in 1949, where he took the religious name Wenanty.
From 1952 to 1957, Stanisław Padewski studied philosophy and theology at the Higher Spiritual Seminary of the Capuchin Friars in Kraków.
In the years 1970-1973 he served as guardian of the convent in Kraków and as confessor of the Saint Bernard Sisters and the Servants Maria Immaculata.
After moving to Rozwadów, he was initially house vicar and catechist, from 1976 to 1985 he held the office of a guardian of the convent and parish.
From 1988 Padewski worked in the territory of the Ukrainian Soviet Socialist Republic, including as a chaplain in the parishes of Bar, Polonne, Kiev, Starokonstantynov and Shepetovka.
He looked after candidates for the postulancy and the novices, as representative of the provincial superior, coordinated contacts with ecclesiastical and civil authorities as well as the apostolate and the religious life of the brothers.
Four years later, on May 4, 2002, Pope John Paul II appointed him the first bishop of the diocese of Kharkiv-Zaporizhia, which was established on the same date.