What Is Grounding, What Does It Mean?

Giving a basis, basis, justification for a claim put forward. Tomasism. al. Tomismus, Fr. thomisme, Eng. Thomism Thomas Aquino and his followers:

a. Trying to combine Aristotelian philosophy and Christian worldview in harmony;

b. Combining human will and God’s predetermination in a natural-supernatural order of being;

c. His teachings asserting the supremacy of reason, its domination over the will and freedom of the will.
Thomasism has been the core philosophy of the Catholic church.