Sabbat: The Witches' Sabbath, said to have been a weekly midnight convention attended by warlocks and demons.
Samhain: One of the "doorways" marking the start of the Celtic year.
Satan: In Judeo-Christian belief, the personification of evil. Said to be a fallen angel, and usually used synonymously with The Devil.
Satanism: The worship of Satan.
Science: A system of knowledge and understanding in which the objective world is represented by theories and models.
scrying: A method of divination using a crystal ball or similar object.
seance: A gathering of people with the purpose of experiencing supernatural phenomena, usually involving contact with the dead.
Shroud of Turin: An ancient strip of cloth marked with bloodstains and what appears to be the image of a man. Believed by many to be the burial cloth of Jesus Christ.
sitting: Another term for seance.
skepticism: A philosophical position in which a person seeks answers based on evidence rather than doctrine or pre-conceived beliefs.
Spiritualism: A belief system based upon communication with spirits of the dead.
spontaneous human combustion: A phenomenon where in a living human body allegedly catches fire as the result of intense internal heat.
Steiner, Rudolf (1861-1925): Austrian philosopher and educator, developer of a social philosophy known as anthroposophy.
stigmata: Wounds to the hands, feet, chest, head or shoulders said to resemble the wounds suffered by Jesus Christ in the crucifixion.
Stonehenge: A prehistoric stone monument located 13 kilometres (8 miles) north of Salisbury, England.
Storsjoodjuret: Sweden's most famous lake monster.
Swedenborg, Emanuel (1688-1772): Swedish scientist, theosophist and mystic.