Antoine Faivre is recognized as a key figure in the academic exploration of Western esotericism, a broad spectrum of interconnected ideas and movements that originated in Western culture. These traditions stand apart from mainstream Abrahamic religions and Enlightenment rationalism, influencing various aspects of Western thought, philosophy, and art. The academic classification of these diverse currents under the umbrella term 'Western esotericism' gained traction in the late 20th century, with Faivre being among the scholars who advanced this field.

The study of Western esotericism examines historical traditions like Hermeticism, Gnosticism, and Neoplatonism from Late Antiquity, as well as later developments such as Christian Kabbalah, Rosicrucianism, Freemasonry, and 19th-century occultism. These movements often sought hidden knowledge or an 'enchanted' worldview, sometimes viewed as 'rejected knowledge' by established scientific or religious authorities. Faivre's work contributes to understanding the historical trajectory and academic conceptualization of these distinct intellectual and spiritual currents.

Antoine Faivre is a significant scholar who helped establish the academic study of Western esotericism. This field, also known as the Western mystery tradition, investigates a diverse array of ideas and movements that have evolved within Western societies. These traditions are characterized by their distinctness from both orthodox Abrahamic religions and the rationalism of the Age of Enlightenment. Faivre's contributions are crucial to understanding how these varied historical currents, which have impacted Western philosophy, mysticism, religion, science, art, and music, came to be recognized as a legitimate area of scholarly inquiry in the late 20th century.

The academic approach to Western esotericism, a concept that emerged in the 17th century, involves various definitional perspectives. Some scholars consider esotericism as a continuous, hidden inner tradition, while others view it as representing an 'enchanted' worldview in contrast to increasing secularization. A third perspective identifies it with 'rejected knowledge' not accepted by mainstream science or religion. Faivre's work engages with these diverse interpretations, contributing to the scholarly discourse that seeks to categorize and analyze the complex history and nature of these esoteric traditions that developed from Late Antiquity through modern times.

The origins of Western esotericism trace back to Late Antiquity in the Eastern Mediterranean with traditions like Hermeticism, Gnosticism, and Neoplatonism. Renaissance Europe saw renewed interest, blending classical philosophies with Kabbalah and Christian thought, leading to movements like Christian Kabbalah. The 17th century witnessed the rise of initiatory societies such as Rosicrucianism and Freemasonry. Subsequent centuries brought new forms of esoteric thought during the Enlightenment and the emergence of occultism in the 19th century, influencing modern paganism and later the New Age phenomenon. Faivre's scholarship situates these developments within the broader context of Western intellectual and spiritual history.