mentation (noun)

1. The architect's mentation on the layout and design of the building took several months.

2. During World War II, the leaders of the Allies engaged in deep mentation before deciding to launch the D-Day invasion.

3. As they strolled along the beach, their mentation about their future together filled their hearts with hope and excitement.

4. In the anime series, the protagonist's inner mentation drives the development of the plot and character interactions.