assure

Academic Word List, sublist 9.

About 9.17 uses per million words.

Meaning

1. verb To make sure and secure; ensure.
2. verb To give (someone) confidence in the trustworthiness of (something). .mw-parser-output .object-usage-tag{font-style:italic}.mw-parser-output .deprecated{color:var(--wikt-palette-grey-lime-8,olivedrab)}[with that; or with of]

   I assure you that the program will work smoothly when we demonstrate it to the client.

3. verb To guarantee, promise (to do something).
4. verb To reassure.

Similar words

ensure reassure promise see to it guarantee ascertain see control secure tell

Often followed by

you the that him us a them me himself her

Word family

assurance assurances assured assuredly assures assuring