Theology. Associated with or considered in relation to its object; material as opposed to formal. Obsolete.

Philosophy and Geology. Characterized by or advocating actualism.

Of, belonging, or relating to substantialism (see substantialism, n.); adhering to substantialism.

Active, activist (in various senses).

Philosophy. Of or relating to the theory of activism (activism, n. 2).

Of, relating to, or characterized by neo-realism; = neo-realist, adj.

Of, relating to, or supporting neo-realism.

A supporter or advocate of new realism.