[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, see to it, ensure, control, ascertain, assure
[verb] make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!" Synonyms:guarantee, ensure, assure, secure
[verb] protect by insurance; "The insurance won't cover this" Synonyms:cover, underwrite
