| stand behind(verb, expression, phrasal verb, support, maintain) |
| stipulate(verb, settle, agree, sign, engage) |
| swear to(verb, expression, phrasal verb, support, maintain) |
| testify(verb, support, maintain, secure, back) |
| undertake(verb, settle, agree, sign, engage) |
| underwrite(verb, support, allying, cosign, initials) |
| witness(verb, support, maintain, secure, back) |
| work out details(verb, expression, idiom, settle, agree) |
| acquire(verb, take, get, purchase) |
| act as a witness(verb, expression, idiom, support, maintain) |
| agree(verb, settle, sign, engage, commit) |
| angel(verb, support, maintain, secure, protect) |
| assert(verb, support, maintain, back, declare) |
| asseverate(verb, support, maintain, back, declare) |
| attest to(verb, expression, phrasal verb, support, maintain) |
| aver(verb, support, maintain, secure, protect) |
| avert(verb, support, maintain, back, declare) |
| avow(verb, support, maintain, back, declare) |
| bankroll(verb, support, maintain, secure, protect) |
| bargain for(verb, expression, phrasal verb, take, get) |