| blessing(noun, understanding, agreement, approval, accord) |
| sanction(noun, leave, agreement, permit, approval) |
| affirmation(noun, statement, proof, declaration, confirmation) |
| confirmation(noun, approval, evidence, encouragement, authorization) |
| green light(noun, expression, understanding, agreement, approval) |
| permission(noun, understanding, leave, agreement, approval) |
| acceptance(noun, agreement, approval, authorization, consent) |
| approbation(noun, leave, agreement, approval, sanction) |
| approval(noun, understanding, leave, agreement, sanction) |
| authorization(noun, understanding, leave, agreement, permit) |
| certification(noun, confirmation, engineering, assertion, pronouncement) |
| countenance(noun, authority, approval, authorization, permission) |
| endorsement(noun, leave, agreement, permit, approval) |
| esteem |
| go ahead(noun, expression, approval, proof, verification) |
| imprimatur(noun, agreement, authorization, consent, warrant) |
| nod(noun, approval, evidence, authorization, consent) |
| ratification(noun, approval, statement, evidence, authorization) |
| rubber stamp(noun, expression, agreement, authorization, consent) |
| visa(noun, approval, encouragement, proof, ok) |