| avow(verb, support, state, hold, maintain) |
| clinch(verb, state, end, fix, clear) |
| double-check(verb, support, determine, back, discover) |
| guarantee(verb, support, state, maintain, back) |
| vouch for(verb, expression, show, confirm, prove) |
| check up on(verb, expression, idiom, phrasal verb, determine) |
| control |
| evidence(noun, verb, support, show, determine) |
| identify(verb, make, determine, note, spot) |
| investigate(verb, check, correct, examine, review) |
| maintain(verb, support, state, hold, help) |
| probe(verb, correct, examine, try, confirm) |
| recognize(verb, spot, identify, distinguish, know) |
| resolve(verb, end, fix, clear, complete) |
| back up(verb, expression, support, help, aid) |
| acknowledge(verb, state, spot, assert, identify) |
| avouch(verb, state, hold, assert, affirm) |
| collate(verb, sort) |
| contend(verb, support, state, maintain, favor) |
| declare(verb, support, state, show, maintain) |