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English definition of “ensure”

ensure

verb [T] (US also insure)     /ɪnˈʃɔːr/ US  /-ˈʃʊr/
B2 to make something certain to happen: The airline is taking steps to ensure safety on its aircraft. [+ (that)] The role of the police is to ensure (that) the law is obeyed. [+ two objects] Their 2–0 victory today has ensured the Italian team a place in the Cup Final/ensured a place in the Cup Final for the Italian team.CertaintyConfidence and self-assuranceCausing things to happen
(Definition of ensure verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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