- to secure or guarantee: This letter will ensure you a hearing.
- to make sure or certain: measures to ensure the success of an undertaking.
- to make secure or safe, as from harm.
- insure(defs 1–3).
Origin of ensure
SynonymsSee more synonyms for ensure on Thesaurus.com
Examples from the Web for ensuring
A multi-faceted approach to ensuring students reach the critical milestone of grade level reading by fourth grade.What It Takes to Fix American Education
November 23, 2014
The family also believed that inbreeding was central to both preserving the family fortune and ensuring “purity of blood.”Foxcatcher’s Real-Life Psycho Killer
November 18, 2014
But Bethany Bultman, the clinic's founder and director, is committed to ensuring patients stay alive.Living in Louisiana’s Tragic Health-Care Limbo
November 15, 2014
Republicans definitely have work to do at ensuring they can compete with female voters.Hey, Dems: He’s Just Not That Into You
Kristen Soltis Anderson
November 9, 2014
By ensuring we don't pay attention to the real killers in America.The Fear About Things That Won't Kill Us Is Killing Us
October 25, 2014
It seems to me that there is only one effective method of ensuring world-peace.War Letters of a Public-School Boy
He spared himself no trouble in ensuring the accuracy of all that he wrote.Robert Louis Stevenson
Margaret Moyes Black
In refusing to trust the people they are ensuring their own doom.The Northern Iron
George A. Birmingham
As the rights are equal, the power of ensuring them must be equal.Lectures on the French Revolution
John Emerich Edward Dalberg-Acton
It was imperative to find some way of ensuring a tolerable existence for my family.An Autobiography
esp US insure
- (may take a clause as object) to make certain or sure; guaranteethis victory will ensure his happiness
- to make safe or secure; protect