- [verb] make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!"
Synonyms: guarantee, insure, assure, secure
- [verb] be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product"
Synonyms: see, check, insure, see to it, control, ascertain, assure
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