Synonyms & related words for ascertain

Find synonyms, related words, and the definition of ascertain — including determine, assure, ensure, find, insure, appraise. 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 ascertain

Explore words related to ascertain — words associated with it, words that go with it, and its nearest matches in meaning. Related words include verify, redetermine, check, assess, determinably, preexamine, examine, reverify. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for ascertain

Common synonyms for ascertain include determine, assure, ensure, find, insure, appraise, establish, discover — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does ascertain come from?

The word ascertain breaks down into one root of Latin origin: the root -certain, from Latin certus (“sure, settled”). Explore each root to see other English words built from the same source.