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Related to insurable: insurable interest
v. in·sured, in·sur·ing, in·sures
a. To provide or arrange insurance for: a company that insures homeowners and businesses.
b. To acquire or have insurance for: insured herself against losses; insured his car for theft.
2. To make sure, certain, or secure. See Usage Note at assure.
To buy or sell insurance.
[Middle English ensuren, to assure, from Old French enseurer, possibly variant of assurer; see assure.]