| Hypotheses, possibilities |
THEORIES |
| Impinge, infringe |
ENCROACH |
| Important individual, initially |
VIP |
| Make reference to |
ADVERT |
| Mettle, daring |
NERVE |
| Musically blue river |
DANUBE |
| Not genuine, feigned |
INSINCERE |
| Off-the-cuff |
EXTEMPORE |
| Outer edge of a settled territory |
FRONTIER |
| Posing less difficulty |
EASIER |
| Present for acceptance or rejection |
OFFER |
| Prevent from deteriorating |
PRESERVE |
| Promissory note |
IOU |
| Pupils, students |
SCHOLARS |
| Sorts, varieties |
KINDS |
| Spoofs, shams |
HOAXES |
| Stiffening carbohydrate |
STARCH |
| Sugary |
SWEET |