assure
verb
- to calm someone's nerves, assuage, assert positively, dispel doubt, make (something) certain to happen, pledge
Wiktionary
Pronunciation: /əˈʃɔː(ɹ)/ / /əˈʃʊə(ɹ)/ / /əˈʃʊɹ/
verb
Etymology: From Old French asseurer (Modern French assurer), from Latin ad- + securus (“secure”). Cognate with Spanish asegurar. Doublet of assecure.
- To make sure and secure; ensure.
- To give (someone) confidence in the trustworthiness of (something).
“I assure you that the program will work smoothly when we demonstrate it to the client.”
“He assured of his commitment to her happiness.”
- To guarantee, promise (to do something).
“That as a law for euer should endure; / Which to obserue in word of knights they did assure.”
- To reassure.