assure
verbUS /əˈʃʊɹ/ · /əˈʃɔː(ɹ)/
Etymology From Old French asseurer (Modern French assurer), from Latin ad- + securus (“secure”). Cognate with Spanish asegurar. Doublet of assecure.
1
To make sure and secure; ensure.
2
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.
3
Obsolete To guarantee, promise (to do something).
- That as a law for euer should endure; / Which to obserue in word of knights they did assure.1590, Edmund Spenser, “Book II, Canto II”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC:
4
To reassure.
- Derived terms
- assuror, life assured, mutually assured destruction, over-assured, rest assured, sum assured