| ascertain(verb, state, confirm, verify, ascertain) |
| assert(verb, support, maintain, back, confirm) |
| aver(verb, support, state, maintain, secure) |
| check(verb, ascertain) |
| hearten(verb, encourage, raise, cheer, speech) |
| inspire(verb, encourage, cheer, speech, comfort) |
| make certain(verb, expression, idiom, support, maintain) |
| tell |
| vouch(verb, support, state, give, back) |
| warranty |
| prove(verb, support, get, maintain, secure) |
| determine(verb, settle, decide, certainty, seal) |
| establish(verb, get, secure, settle, influence) |
| settle(verb, calm, relax, strengthen, relieve) |
| vouch for(verb, expression, phrasal verb, support, maintain) |
| avouch(verb, affirm, affirmation) |
| clinch(verb, secure, settle, establish, confirm) |
| comfort(verb, encourage, cheer, inspire, promise) |
| induce(verb, get, meet, encourage, do) |
| safeguard(verb, support, cover, keep, maintain) |