Underwritten

[uhn-der-rit-n, uhn-der-rit-] /ˌʌn dərˈrɪt n, ˈʌn dərˌrɪt-/
verb
1.
past participle of underwrite.
verb (used with object), underwrote, underwritten, underwriting.
1.
to write under or at the foot of, especially under other written matter.
2.
to sign one’s name, as to a document.
3.
to show agreement with or to support by or as if by signing one’s name to, as a statement or decision.
4.
to bind oneself to contribute a sum of money to (an undertaking):
Wealthy music lovers underwrote the experimental concerts.
5.
to guarantee the sale of (a security issue to be offered to the public for subscription).
6.
Insurance.

to write one’s name at the end of (a policy), thereby becoming liable in case of certain losses specified in the policy.
to insure.
to assume liability to the extent of (a specified sum) by way of insurance.
to select or rate (risks) for insurance.

verb (used without object), underwrote, underwritten, underwriting.
7.
to underwrite something.
8.
to carry on the business of an underwriter.
verb (transitive) -writes, -writing, -wrote, -written
1.
(finance) to undertake to purchase at an agreed price any unsold portion of (a public issue of shares, etc)
2.
to accept financial responsibility for (a commercial project or enterprise)
3.
(insurance)

to sign and issue (an insurance policy) thus accepting liability if specified losses occur
to insure (a property or risk)
to accept liability up to (a specified amount) in an insurance policy

4.
to write (words, a signature, etc) beneath (other written matter); subscribe
5.
to support or concur with (a decision, statement, etc) by or as if by signature