Find Synonyms
ensure Synonyms
Another word for ensure
Choosing another word for ensure depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• verb (Context 1)
To make certain that something shall occur or be the case.
Usage Example
"Please review the itinerary carefully to guarantee that all flight connections are accurate."
Strongest
guarantee
make sure
Strong
secure
confirm
verify
certify
warrant
• verb (Context 2)
To make certain of obtaining or providing something for someone.
Usage Example
"Her groundbreaking research ensured her a prestigious fellowship at the university."
Strongest
secure
guarantee
Strong
clinched
safeguard
Opposites of ensure
The opposite of ensure shifts depending on context. Common opposites include:
jeopardize
forfeit
imperil
lose
endanger
undermine
deprive
compromise
Cite this Entry
Wordmom. (2026). Synonyms for Ensure. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/ensure