| guarantee(verb, settle, agree, declare, approve) |
| assure(verb, support, maintain, secure, settle) |
| secure(verb, support, maintain, secure, agree) |
| warrant(noun, verb, support, maintain, secure) |
| promise(verb, support, give, maintain, secure) |
| confirm(verb, support, maintain, secure, settle) |
| insure(verb, support, maintain, secure, agree) |
| pledge(verb, support, maintain, secure, agree) |
| affirm(verb, support, maintain, secure, declare) |
| underwrite(verb, agree, declare, approve, uphold) |
| vouch(verb, declare, commit, undertake, affirm) |
| agree(verb, commit, undertake, assure, guarantee) |
| answer for(verb, expression, support, maintain, secure) |
| swear(verb, support, maintain, secure, declare) |
| undertake(verb, agree, declare, approve, uphold) |
| mortgage(verb, support, maintain, secure, agree) |
| accede(verb, agree, declare, commit, undertake) |
| affiance(verb, agree, declare, commit, undertake) |
| assent(verb, agree, declare, commit, undertake) |
| asservate(verb, agree, declare, commit, undertake) |