This is the 3386th most frequent French word.
assurez
"Assurez" means "ensure" or "make sure."
Here, 'assurez-vous' is used as a reflexive verb construction in the imperative form to express ensuring or making sure of something.
Assurez-vous de vérifier vos réponses avant de soumettre.
Make sure to check your answers before submitting.
In this instance, 'assurons' conveys a formal promise or guarantee provided by the subject.
Nous vous assurons un service de haute qualité.
We assure you of high-quality service.
Here, 'assuriez' is used in the subjunctive mood to express necessity or a condition that must be fulfilled.