Verb ensure has 2 senses
- guarantee, ensure, insure, assure, secure - make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!"
Sample sentence:
Something ----s something
- see, check, insure, see to it, ensure, control, ascertain, assure - 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"
--2 is one way to verify
Sample sentence:
Somebody ----s that CLAUSE
,