| Solemn vows |
| Affirmed solemnly |
| Month-long Islamic observance |
| Solemnity |
| Robust religious observance? |
| Solemnly commands |
| Affirm solemnly |
| Declares solemnly |
| Entreat solemnly. |
| Select solemnly |
| Solemn sanction |
| Promised solemnly |
| Solemn |
| Solemn assents |
| State solemnly |
| 40-weekday observance |
| Solemnly renounce |
| Observance made official by President Wilson in 1914 |
| Solemnly swear |
| Dignified solemnity |
| Solemnly affirm |
| Swear solemnly |
| Christian observance celebrated on Feb. 2 |
| Solemnly declare |
| Declare solemnly |
| Yom Kippur observance |
| Lent observance |
| October observance |
| Solemnly state |
| Solemn affirmations |