| certify(verb, support, maintain, secure, back) |
| confirm(verb, support, maintain, secure, favor) |
| cosign(verb, support, maintain, secure, back) |
| covenant(verb, accept, start, agree, declare) |
| deputize(verb, cover, exchange, substitute, switch) |
| engage(verb, agree, declare, commit, undertake) |
| ensure(verb, support, maintain, secure, agree) |
| get behind(expression, support, maintain, secure, back) |
| go as(verb, expression, cover, exchange, substitute) |
| go for(verb, expression, support, accept, start) |
| insure(verb, support, maintain, secure, agree) |
| maintain(verb, support, secure, favor, back) |
| mortgage(verb, support, maintain, secure, agree) |
| obligate(verb, agree, declare, commit, undertake) |
| pinch-hit(verb, substitute) |
| pledge(verb, support, accept, maintain, start) |
| prove(verb, support, maintain, secure, back) |
| represent |
| secure(verb, support, maintain, agree, declare) |
| sign for(expression, support, maintain, secure, back) |