#1
ensure v. [
guarantee, insure, assure, secure] make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!"
. wn #2
ensure v. [
see, check, insure, see to it, 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"
. wn