ensure

/ษชnหˆสƒษ”ห/

IPA: /EH0 N SH UH1 R/

verb
  1. 1

    To make a pledge to (someone); to promise, guarantee (someone of something); to assure.

  2. 2

    To make sure or certain of something (usually some future event or condition).

    โ€œI use an alarm clock to ensure that I get up on time.โ€

Source: https://en.wiktionary.org/wiki/ensure