1. Endorse
2. Sanction
3. Ratify
4. Agree
5. O.K.
6. Accredit
7. Certify
8. Consent
9. Confirm
10. Validate
11. Approbate
12. Abet
13. Acknowledge
14. Legitimize
15. Authorize
16. Permit
17. Endorsement
18. License
19. Okays
20. Substantiate
21. Vindicate
22. Clear
23. Countenance
24. Sanctioned
25. Endorsed
26. Accede
27. Affirm
28. Acclamation
29. Assent
30. Recognize

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