| Rating | Solver | Clue |
|---|---|---|
| SPREAD | Increase | |
| RAISE | Increase | |
| ENHANCE | Increase | |
| AUGMENT | Increase | |
| EXPAND | Increase | |
| INCREASEMENT | Increase. | |
| BURGEON | Increase rapidly | |
| SKYROCKETED | Increase rapidly | |
| ESCALATE | Increase rapidly | |
| STEEPEN | Increase altitude | |
| GROWTH | Gradual increase | |
| WIDEN | Increase (gap) | |
| SPIKEE | Increase suddenly | |
| SOAR | Increase suddenly | |
| SURGE | Increase suddenly | |
| ASCEND | Increase altitude | |
| SNOWBALL | Increase rapidly | |
| INCREMENTS | Increase amounts | |
| SPIKE | Abrupt increase | |
| REDOUBLE | Increase (efforts) | |
| UPSWELL | Abrupt increase | |
| BUILDUP | Gradual increase | |
| PROLIFERATE | Increase rapidly | |
| STEPUP | To increase | |
| ACCELERATE | Increase velocity | |