ensure Meaning, Definition & Usage

  1. verb make certain of
    insure; assure; secure; guarantee.
    • This nest egg will ensure a nice retirement for us
    • Preparation will guarantee success!
  2. verb be careful or certain to do something; make certain of something
    insure; control; see to it; assure; see; ascertain; check.
    • He verified that the valves were closed
    • See that the curtains are closed
    • control the quality of the product

WordNet


En*sure" transitive verb
Definitions
  1. To make sure. See Insure.
  2. To betroth. Obs. Sir T. More.

Webster 1913