| Tître | Title | |
| Sacremens | Sacraments (Ecclesiastical History) | |
| Sacrement | Sacrament (Theology) | |
| Salonicki, le golphe de | Thessaloniki, Gulf of (Modern geography) | |
| Salonicki | Thessaloniki (Modern geography) | |
| Sang | Blood (Anatomy. Physiology) | |
| Sarabande | Saraband (Music) | |
| Satire Ménippé | Satire, Menippean (Literary history of France) | |
| Sauce ou Sausse | Sauce (Cooking) | |
| Sauvages | Savages (Modern history) | |
| Savant, docte, habile | Savant (Synonyms) | |
| Scandale | Scandal (Grammar. Theology) | |
| Scandaleux | Scandalous (Grammar) | |
| Schamans | Shamans (Modern history) | |
| Science | Science (Logic. Metaphysics) | |
| Scrotum | Scrotum (Medicine) | |
| Sculpture | Sculpture (Fine arts) | |
| Sel, impôt sur le | Salt, Tax on (Political economy) | |
| Sénégal, gomme du | Senegal, Gum of (History of exotic drugs) | |
| Sénégal, île | Senegal, Island (Modern geography) | |
| Sénégal, le royaume du | Senegal, Realm of (Modern geography) | |
| Sénégal, rivière de | Senegal, River of (Modern geography) | |
| Sensibilité | Sensibility (Ethics) | |
| Sens | Senses (Metaphysics) | |
| Séparation | Separation (Jurisprudence. Grammar) | |
| Séville | Seville (Modern geography) | |
| Séville | Seville (Modern geography) | |
| Sexe, le | Female Sex (Ethics) | |
| Sociable, Aimable | Sociable, Urbane (French language) | |
| Social | Social (Grammar) | |
| Société civile | Civil Society | |
| Société royale des Sciences | Royal Society of Sciences | |
| Socratique [abridged] | Socratic Philosophy [abridged] (History of philosophy) | |
| Sodomie | Sodomy (Grammar. Jurisprudence) | |
| Sommeil | Sleep (Mythology) | |
| Sortilege | Spells (Jurisprudence) | |
| Souveraineté | Sovereignty (Government) | |
| Souverains | Sovereigns (Natural Law. Political Law) | |
| Sparte ou Lacédémone | Sparta (Ancient geography) | |
| Spinosa, philosophie de | Spinoza, Philosophy of (History of Philosophy) | |
| Spinosiste | Spinozist (Grammar) | |
| Stratford ou Stretford | Stratford (Modern geography) | |
| Style de chasse | Hunting Style | |
| Style, harmonie du | Style, Harmony of | |
| Style oriental | Oriental Style (Prose. Poetry) | |
| Style | Style (Commerce) | |
| Style | Style (Grammar. Rhetoric. Eloquence. Literature) | |
| Style | Style (Jurisprudence) | |
| Style | Style (Literature) | |
| Style | Style (Logic) | |
| Style | Style (Modern history) | |
| Style | Style (Music) | |
| Style | Style (Painting) | |
| Style | Style (Poetry) | |
| Sucre | Sugar (Natural history. Art) | |
| Suicide | Suicide (Ethics) | |
| Suicide | Suicide (Jurisprudence) | |
| Superficiel | Superficial (Grammar) | |
| Survente | Overcharge, To (Commerce) | |
| Systeme | System (Metaphysics) | |
