| conduce(verb, agree, unite, contribute, further) |
| confirm(verb, vindicate) |
| congratulate(compliment, patronize, kudize) |
| consent(verb, set, settle, allow, admit) |
| console(verb, develop, ease, improve) |
| consort(verb, follow, enter, enlist) |
| conspire(verb, agree, unite, contribute, further) |
| contend(verb, promote, defend) |
| contribute(verb, agree, unite, further) |
| cooperate(verb, follow, enter, enlist) |
| coordinate(verb, agree, unite, contribute, further) |
| coproduce |
| cosign(verb, support, acquiesce, allying, subscribe) |
| cotton to(verb, expression, phrasal verb, advise, patronize) |
| countenance(verb, support, encourage, favor, uphold) |
| cry up(expression, compliment, patronize, kudize) |
| cut a deal(verb, expression, idiom, set, settle) |
| defend(verb, promote) |
| develop(verb, ease, improve) |
| do a kindness(verb, expression, idiom, facilitate, pamper) |