| POLITICS | Science or art of government; or, Aristotle's treatise on philosophy (8) |
| APPTOVEDANTA | Isherwood's treatise on philosophy: 1970 |
| JUGGLERS | The act or art of legerdemain, prestidigitation or performing tricks with props; or, trickery generally (8) |
| SCANSION | The act or art of analysing the metrical patterns of verse (8) |
| CAPITALS | Places that function as national seats of government or administrative centres (8) |
| POLITICO | One strongly interested in the art of government |
| DOCTRINE | No direct effect on Philosophy (8) |
| THINKING | Reasoning on philosophy |
| HYGIENE | The science or art of preserving health through cleanliness (7) |
| LOGIC | The science or art of reasoning (5) |
| TACTICUS | During the 4th century BCE, he wrote On the Defense of Fortifications, one chapter of which was devoted to cryptography, making it the earliest treatise on the subject. |
| ALMAGEST | Ptolemy's treatise on the motion of the stars and planets (8) |
| EPICURUS | Greek philosopher born in 341 BC who authored treatise On Nature (8) |
| REGIME | From Latin for "govern" or "rule", a word for a system of government or administration; a programme of diet and exercise for the promotion of health; or, any methodical routine (6) |
| ELEMENTS | Euclid's treatise on geometry |
| CARVING | The act or art of sculpture in ivory, stone, wood etc; the dendroglyph, figure or form created; the process of cutting up roasted meat at a table; or, a technique of turning in skiing (7) |
| DUELLA | The act or art of one-on-one combat; or, the code of rules governing such an affair of honour (6) |
| POLITICIANS | Puts in the realm of government or of status or power (11) |
| THRUST | Sea lavender's cousin growing on wind-smitten cliffs, rocks, ocean-sprayed turf and shores; or, from "grasp, prosperity, success", a word for the act or art of frugality, parsimony or prudence (6) |
| ACADEMY | What is an institution for the promotion of literature, science or art (7) |
