"insuring" in the verb sense
1. 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. guarantee, ensure, insure, assure, secure
make certain of
"This nest egg will ensure a nice retirement for us"
"Preparation will guarantee success!"
3. cover, insure, underwrite
protect by insurance
"The insurance won't cover this"
take out insurance for
Source: WordNet® (An amazing lexical database of English)
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