Assurer (en. Ensure)
/asyʁe/
Slang Meanings
To be self-assured or to have confidence in oneself.
He is always at ease; he knows how to deliver.
Il est toujours à l'aise, il sait comment assurer.
To do something well or to excel.
She really nailed it during her presentation.
Elle a vraiment assuré lors de sa présentation.