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1. Be careful or certain to do something; make certain of something
   - see, check, see to it, ensure, control, ascertain, assure
    
2. Make certain in the future
   - guarantee, ensure, assure, secure
    
3. Protect by insurance
   - cover, underwrite
    
4. Take out insurance for

Sounds like: ensure, inshor

Derived forms: insures, insuring, insured

Type of: guarantee, protect, verify, warrant

Encyclopedia: Insure