| cooperate(help, attack, accept, do, allow) |
| cosign(verb, agree, sign, acquiesce, assent) |
| countersign(verb, secure, back, sign, confirm) |
| covenant(verb, agree, declare, commit, undertake) |
| cross heart(verb, expression, agree, declare, commit) |
| cry uncle(verb, expression, set, accept, pass) |
| debunk(verb, support, back, sign, uphold) |
| declare(verb, commit, undertake, affirm, assure) |
| devote(verb, give, present, back, provide) |
| do(verb, help, attack, aid, begin) |
| dole out(verb, expression, give, present, back) |
| donate to |
| double-check(verb, support, back, uphold, explain) |
| embolden |
| empower(verb, give, provide, organize, supply) |
| enable(verb, give, provide, organize, supply) |
| encourage |
| endue(verb, give, provide, organize, supply) |
| enhance(verb, give, provide, organize, supply) |
| enrich(verb, give, back, provide, organize) |