The Imprimātur of A∴A∴ Thelemic Philosophy A.'.A.'. Ordo Templi Orientis Thelemic Way of Life March 18, 2019October 10, 20215 by Alan Willms Imprimātur is Latin for “let it be printed”. The term has been widely used by the Catholic Church in two senses: a) in old times, for authorizing the publication of a book, otherwise to be censored; b) in modern times, as an endorsement of the contents of a book, stating they