To make sure or certain; insure: Our precautions ensured our safety. See Usage Note at assure. (verb-transitive)
Examples of word ensure
Civil discourse and outreach work in ensure these communities do no feel alienated and disenfranchised.
Reminding me for all the world of wooden-faced commissars delivering set speeches to "the masses," who from time to time were expected to break out in "prolonged, stormy applause," city officials tried to ensure from the start that no real dialogue would take place.
What it does ensure is that the oil companies make more money.
What we need the most of they ensure is always in the shortest supply!
All that will ensure is that the 401 will be as crowded as ever this afternoon between Toronto and Windsor.