| say so(verb, expression, support, maintain, back) |
| sign for(verb, expression, phrasal verb, support, maintain) |
| sponsor(verb, support, maintain, back, declare) |
| stand up for(verb, expression, idiom, phrasal verb, support) |
| swear to(verb, expression, phrasal verb, support, maintain) |
| swear up and down(verb, expression, idiom, phrasal verb, support) |
| try out(verb, expression, phrasal verb, idea, confirm) |
| uphold(verb, support, accept, maintain, agree) |
| validate(verify, authenticate) |
| verify(verb, support, maintain, back, declare) |
| vouch(verb, give) |
| vow(verb, support, maintain, back, declare) |
| accede(verb, support, accept) |
| accept(verb, support) |
| actualize(verb, idea, confirm, prove, affirm) |
| agree(verb, support, accept) |
| allow(verb, support, accept) |
| assure |
| bear witness |
| check out(expression, verify, validate, authenticate) |