Verbs

(v)see, check, insure, see to it, ensure, control, ascertain, assurebe 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”
(v)guarantee, ensure, insure, assure, securemake certain of“This nest egg will ensure a nice retirement for us”, “Preparation will guarantee success!”
(v)cover, insure, underwriteprotect by insurance“The insurance won't cover this”
(v)insuretake out insurance for