| Pledges |
| Sews up |
| Warrants |
| Promises |
| Sees (to) |
| Convinces |
| Guarantees |
| Encourages |
| Puts at ease |
| Makes certain |
| Frees from doubt |
| Gives one's word |
| Gives peace of mind |
| Gives confidence to |
| Frees from all doubt |
| Helps free from doubt |
| Leaves no doubt about |
| Eases the misgivings of |
| Bolsters the confidence of |