The term arcanist refers to anyone capable of creating magical effects through force of will, such as spells. In most cases, an arcanist utilizes incantation, focused meditation, geometric inscriptions, or other physical means of channeling magic and bringing it to fruition, but some characters are reported to have a natural inclination to use magic without these trappings.
While arcanist appears to be the catch-all term for someone capable of using magic, a number of alternative and colloquial names for arcanists come up through the series. These include:
The religious followers of The One God, the dominant religion throughout much of Galacia, appear to view arcanists as heathens. At the very least, the church is reputed to have driven heathen arcanists from Galacia during the Ittamar incursion, which appears to have coincided or been a precursor to the Quarter-Century War.