| Avow |
| Assert |
| Depose |
| Verify |
| Ratify |
| Uphold |
| Certify |
| Declare |
| Say yes |
| Maintain |
| Validate |
| Swear (to) |
| Declare true |
| State as fact |
| State positively |
| Maintain as true |
| Swear on a bible |
| Assert positively |
| Declare to be true |
| Maintain to be true |
| Formally declare as true |
| Declare one's commitment (to) |