Synonyms for assure

Other words for “assure”, grouped by meaning.

We found 12 synonyms for “assure”. The most common are guarantee, ensure, insure, secure, tell.

verb make certain of

verb inform positively and with certainty and confidence

Synonymstell

verb be careful or certain to do something; make certain of something

verb cause to feel sure; give reassurance to

verb make a promise or commitment

Synonymspromise

Source: WordNet 3.1, Princeton University

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