Synonym: affirm, assure, back, certify, cover, defend, determine, endorse, guarantee, make sure, protect, safeguard, shelter, sponsor, vouch, warrant. Similar words: ensure, censure, insurgent, insurance, in surprise, insurgence, insurmountable, in sum. Meaning: [ɪn'ʃʊr /-'ʃʊə] 
v. 1. be careful or certain to do something; make certain of something 2. make certain of 3. protect by insurance 4. take out insurance for.
v. 1. be careful or certain to do something; make certain of something 2. make certain of 3. protect by insurance 4. take out insurance for. 
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211 The company has a complete management system and qualitycontrolsystem, besides, dproducingequipmentsto insure the products with further function and higher quality.
212 In order to insure good performance of the voltage boosting circuit in the kneepad used for curing osteoarthritis, the circuit parameters should be optimized.
213 This paper introduce how to use the function of NAT and the function of port map of NGFW3000 to insure the realization of Online Cataloguing and OPAC in intranet.
214 You cant insure it for more than the declared value.
More similar words: ensure, censure, insurgent, insurance, in surprise, insurgence, insurmountable, in sum, insult, insulate, insulated, peninsula, commensurate, sure, in support of, assure, surety, for sure, insubordinate, insufficient, insubstantial, insufferable, measure, leisure, measured, pleasure, make sure, exposure, composure, treasure.