| take stock |
| thumbs up(verb, expression, permit, prove, validate) |
| triple-check |
| underpin(verb, support, back, uphold, explain) |
| uphold(verb, prove, verify, substantiate, validate) |
| vouch(verb, support, back, uphold, explain) |
| warrant(verb, support, back, explain, prove) |
| witness(verb, support, back, uphold, explain) |
| OK(permit, circumstantiated) |
| accept(permit, ok, circumstantiated) |
| back up(expression, verify, substantiate, corroborate) |
| be in no doubt(verb, check) |
| blink at(expression, permit, ok, circumstantiated) |
| buy into(expression, permit, ok, circumstantiated) |
| check on(expression, determine, divine) |
| circumstantiated(permit, ok) |
| concur with(expression, permit, ok, circumstantiated) |
| cooperate with(expression, permit, ok, circumstantiated) |
| countenance(permit, ok, circumstantiated) |
| document(verb, check, confirm, prove, demonstrate) |