This is the 583rd most frequent French word.
présidentielle
Relating to a presidential election.
Here, 'présidentielle' directly describes the type of election, denoting it as related to the selection of a president.
Chaque cinq ans, la France organise une élection présidentielle.
Every five years, France holds a presidential election.
Although 'présidentielle' is not used here, similar structure indicates its significance in topics related to presidential processes. The adjective would appropriately fit to describe related entities.
Les débats présidentiels sont cruciaux pour informer les électeurs.
The presidential debates are crucial for informing voters.
In this sentence, 'présidentielle' is used as an adjective modifying 'campagne', indicating that the campaign pertains to the position or election of a president.