underwrite
verbUK /ˌʌndəˈraɪt/
US /ˌʌndərˈraɪt/
To agree to pay for something if it goes wrong.
The company agreed to underwrite the cost of the event.
OTHER MEANINGS
2. To sign a document at the bottom to show you agree to it.
The manager underwrote the new contract.
3. To support a project by providing money for it.
Several banks underwrote the building of the new bridge.
4. To accept responsibility for paying the costs of something.
The government will underwrite the repairs after the storm.