| warrant(verb, support, state, show, maintain) |
| document(verb, show, determine, confirm, explain) |
| vouch(verb, support, state, give, back) |
| justify(verb, support, show, increase, maintain) |
| testify(verb, support, state, show, back) |
| approve(verb, support, state, back, sign) |
| back up(verb, expression, phrasal verb, support, verify) |
| buttress(verb, support, increase, present, establish) |
| manifest(verb, show, determine, idea, confirm) |
| reinforce(verb, support, increase, establish, extend) |
| underpin(verb, support, back, sign, uphold) |
| witness(verb, support, state, show, maintain) |
| assure(verb, support, state, maintain, back) |
| aver(verb, state, show, confirm, prove) |
| avouch(verb, affirm, evince) |
| bolster(verb, support, increase, establish, extend) |
| circumstantiate(verb, support, determine, back, sign) |
| declare(verb, support, state, show, maintain) |
| evidence(noun, verb, support, show, determine) |
| fortify(verb, support, increase, establish, extend) |