·adj Of or pertaining to the pope or the papacy; papal.
II. Apostolical ·adj According to the doctrines of the apostles; delivered or taught by the apostles; as, apostolic faith or practice.
III. Apostolical ·adj Pertaining to an apostle, or to the apostles, their times, or their peculiar spirit; as, an apostolical mission; the apostolic age.