What were the main goals of the Gregorian Reform that influenced Thomas Becket?

The Gregorian Reform was an 11th-century movement primarily concerned with the moral integrity and independence of the church from secular control. While often conflated with the investiture controversy, the movement's core objectives were broader and deeply influenced the ecclesiastical stance of Thomas Becket during his tenure as archbishop of Canterbury.12

The main goals of the reform that shaped Becket’s defense of the church included:

• Free Canonical Elections: Reformers insisted that bishops and abbots be elected according to canon law rather than being appointed by lay rulers.12
• Clerical Immunity: A central tenet was the exemption of the clergy from the jurisdiction of lay tribunals, a principle that became the focal point of Becket’s conflict with Henry II regarding "criminous clerks".23
• Inviolability of Church Property: The movement sought to protect ecclesiastical lands and revenues from royal seizure or exploitation.2
• Freedom of Appeal to Rome: Reformers championed the right of churchmen to appeal directly to the papacy, bypassing royal authority.23
• Moral Purity: The movement aimed to eradicate simony—the buying and selling of church offices—and enforce strict clerical celibacy.1

By embracing these ideals, Becket transitioned from a royal chancellor into a militant defender of ecclesiastical supremacy, directly opposing Henry II’s attempts to reassert traditional royal control over the English church.423