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Assure vs Assertiveness - What's the difference?

assure | assertiveness |

As a verb assure

is to make sure and secure.

As a noun assertiveness is

the quality of being self-assured and assertive.

assure

English

Verb

(assur)
  • To make sure and secure.
  • 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.
  • (obsolete) To guarantee, promise (to do something).
  • * 1590 , Edmund Spenser, The Faerie Queene , II.ii:
  • That as a law for euer should endure; / Which to obserue in word of knights they did assure .
  • To reassure.
  • assertiveness

    Noun

    (-)
  • The quality of being self-assured and assertive.