to check or prove that sth is accurate, true, useful or of an acceptable standard 批准；审核；证实；证明正确◆The purchasing manager validates all invoices. 所有的发票经由采购经理核准。◆The product has been validated against safety requirements. 这款产品已通过安全要求检验。
to make sth legally valid 使有效；使生效；确认◆to validate a contract/credit card 使合同生效；使信用卡生效