This is the 346th most frequent French word.
nécessaire
Necessary.
Here, 'nécessaire' is used as an adjective to indicate something obligatory or essential in the context of survival.
Il est nécessaire de manger pour survivre.
It is necessary to eat in order to survive.
In this sentence, 'nécessaire' describes a tool required as vital for completing the project.
L'outil nécessaire à ce projet est dans le garage.
The tool necessary for this project is in the garage.
'Nécessaire' here questions the importance or obligation of attending the meeting in the given scenario.