Witch

A Witch was a (usually female) practioner of magical arts, though not all magicians, for example Lady Peinforte, would consider themselves witches.

Less advanced cultures had a certain fear of paranoia and would sometimes mistake psychic powers or advanced technology as witchcraft.

References

• Miss Hawthorne called herself a white (good) witch. (DW: The Dæmons)

• Martha Tyler knew the ancient traditions and posessed second sight because of the Fetch Priory's time fissure, therefore local reputation painted her as a witch. Locals deferred to her and called Granma, as an symbolic sign of respect. A genuine coven of malign witches, led by the occultist, Max Stael also lived in the area and plotted to resurrect the Fendhal (DW: Image of the Fendhal)

Martha Tyler actually worked as an agent for Faction Paradox, sent to keep an eye on matters. (source?)

• Though not precisely a witch, the Seer seemd to serve a similar cultural function. (DW: The Ribos Operation

The Seer, too, worked as an agent for Faction Paradox. (source?)

• Turlough found himself locked up as a witch for supposedly conjuring up demons in the court of King John I. (DW: The King's Demons)

• Susan Foreman found herself accused of witchcraft in Salem Village. (PDA: The Witch Hunters)

• The Sycorax Leader regarded the Doctor as a practioner of witchcraft. (DW: The Christmas Invasion)

The Sycorax, not understanding their own stolen technology, such as blood control, might have regarded it as a form of witchcraft, though they used it themselves.