waive

To refrain from insisting on or applying a right, requirement, or rule; to give up voluntarily.

• waiver/ˈweɪvər/(n)弃权声明；放弃权利的文件

• waive a fee
• waive the right
• sign a waiver
• waive the requirement
• waive liability

1. 1.The university agreed to waive the application fee for students from low-income backgrounds. (fees)
2. 2.By signing the form, participants waive their right to sue the organisers for accidental injury. (legal)

• relinquish/rɪˈlɪŋkwɪʃ/— give up a right or possession
• forgo/fɔːˈɡəʊ/— go without; choose not to take
• surrender/səˈrɛndər/— give up under pressure — but waive is always voluntary

from Old North French "weyver" = to abandon, from a Germanic root meaning "to move to and fro"