This is the 9077th most frequent French word.
commenceront
"Commenceront" means "will begin" or "will start."
Here, 'commenceront' is used as a verb in the third person plural future tense to indicate an action that will take place in the future.
Les cours commenceront demain matin.
The classes will start tomorrow morning.
In this example, 'commenceront' demonstrates the future action initiated by the plural subject 'ils'.
Ils commenceront leurs devoirs après le dîner.
They will start their homework after dinner.
'Commenceront' is employed to depict the future initiation of negotiations upon a specified condition being met.