summative (adjective)

1. The summative episode of the cartoon series wrapped up all the loose ends and provided a conclusion to the story.

2. In Greek mythology, the summative battle between Zeus and the Titans determined the fate of the gods and the universe.

3. The fashion designer's final collection was a summative display of her signature style and innovative designs.

4. The summative moment of their romantic trip was when he got down on one knee and proposed to her under the starry sky.