ASSURE

Definition

1. verb make certain of. — synonyms: guarantee, ensure, insure, secure
2. verb inform positively and with certainty and confidence. — synonyms: tell
3. verb assure somebody of the truth of something with the intention of giving the listener confidence.
4. verb be careful or certain to do something. — synonyms: see, check, insure, see_to_it, ensure, control, ascertain
5. verb cause to feel sure. — synonyms: reassure
6. verb make a promise or commitment. — synonyms: promise