| size up(verb, expression, phrasal verb, support, fix) |
| substantiate(verb, support, back, confirm, explain) |
| tell(verb, fix, check, determine, discover) |
| validate(verb, support, check, back, confirm) |
| add up(verb, expression, phrasal verb, check, settle) |
| affirm(verb, prove, verify, substantiate, validate) |
| approve(verb, permit, prove, verify, substantiate) |
| assure(verb, ascertain) |
| attest(verb, support, settle, back, confirm) |
| authenticate(verb, support, back, confirm, explain) |
| back(verb, prove, verify, substantiate, validate) |
| balance the books(expression, idiom) |
| bear out(verb, expression, phrasal verb, support, back) |
| bless(verb, prove, verify, substantiate, validate) |
| buy(verb, prove, verify, substantiate, validate) |
| check and doublecheck(expression, idiom) |
| check over |
| check up(verb, expression, phrasal verb, check, settle) |
| circumstantiate(verb, support, back, uphold, explain) |
| collate |