assure

verb

(transitive) To make sure and secure; ensure.

(transitive) To give (someone) confidence in the trustworthiness of (something). [with that; or with of]

(transitive) To reassure.

(obsolete) To guarantee, promise (to do something).

Roots

curasur- · Latin · care

Synonyms for assure

ensurev guaranteen reassurev insurev securev ascertainv promisen guarantyn vouchv certifyv asseveratev confirmv attestv avouchv convincev

Synonyms & related words for assure

Find synonyms, related words, and the definition of assure — including ensure, guarantee, reassure, insure, secure, ascertain. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to assure

Explore words related to assure — words associated with it, words that go with it, and its nearest matches in meaning. Related words include overassured, ensurer, assurance, overinsure, assurer, tell, sure, coinsure. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for assure

Common synonyms for assure include ensure, guarantee, reassure, insure, secure, ascertain, promise, guaranty — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does assure come from?

The word assure breaks down into one root of Latin origin: the root sur-, from Latin cura (“care”). Explore each root to see other English words built from the same source.