| SUMMIT | Apex or acme of anything such as a mountain or of success; or, an assembly of government leaders (6) |
| STREAM | A beck, brook, burn, rivulet or other small natural body of running water; or, a flow of anything, such as gas, internet data, meteors, money into a business, people or words (6) |
| CABINET | Assembly of government ministers (7) |
| LOP | Cut off the top of anything, such as to prune a small limb off a shrub or tree (3) |
| PEAK | The pointed top of something, such as a mountain or a meringue (4) |
| FELL | High, barren landscape feature, such as a mountain or moor-covered hill (4) |
| AUGHT | Anything such as a naughty bit |
| TOP | Apex or acme (3) |
| NYMPH | Female spirit such as a mountain oread, tree dryad, sea nereid or river naiad (5) |
| PREMIERSHIPS | Offices of government leaders, on top of everything else, carrying passengers (12) |
| SMOG | Special meeting of government leaders has impact on the environment (4) |
| TOGA | Type of government leaders to note in old clothes shop (4) |
| CULMINATE | Reach the peak, or acme, until beaten (9) |
| MUSTER | An assembly of troops for duties or inspection; a gathering; or, a company or flock of peacocks (6) |
| ASCENT | A climb or hike to the summit of a mountain, or; a bike ride up a col (6) |
| VERTEX | From the Latin for "summit", word for the highest point, such as an astronomical zenith, crown of the head, geometric apex or peak (6) |
| TROPHY | A memorial of success, or glory, etc (6) |
| STREAK | Run of success or luck (6) |
| RIDGES | Crests of a mountain (or a potato chip) |
| TIP | Word, from rogues' cant for a topping off or finishing touch, for a gratuity, pourboire or service reward that winds up a meal or kindly polishes off a good supper; a clue, hint or "wink"; an apex; or |