insures

third-person singular simple present indicative of insure

(transitive) To provide for compensation if some specified risk occurs. Often agreed by policy (contract) to offer financial compensation in case of an accident, theft or other undesirable event.
(intransitive) To deal in such contracts; subscribe to a policy of insurance
(US, alt-of, alternative, dated, transitive) Alternative spelling of ensure; to make sure or certain of; guarantee.