rubato (en)

(noun) a fluctuation of tempo within a musical phrase often against a rhythmically steady accompaniment

rubicund (en)

(adj, especially of someone's face) having a ruddy complexion; high-colored

ruction (en)

(noun) a noisy fight / (noun) disturbance uproar

rugosity (en)

(adjective) full of wrinkles / (adjective) having the veinlets sunken and the spaces between elevated

ruminations (en)

a deep or considered thought about something OR the action of chewing the cud

rusticating (en)

go to, live in, or spend time in the country

rutilant (en)

(adjective) having a reddish glow

réserve héréditaire (fr)

a portion of one's inheritance that must be reserved for the children

sacerdotal (en)

(adjective) of or relating to priests or a priesthood; priestly / (adjective) of, relating to, or suggesting sacerdotalism

sachem (en)

(noun) (among some North American Indian peoples) a chief.

sacralizing (en)

imbue with or treat as having a sacred character or quality

sacristans (en)

(noun) a person in charge of the sacristy (a room in a church where a priest prepares for a service, and where ceremonial equipment are kept)

Sadeanism (en)

pertaining to the works or philosophy of the French novelist the Marquis de Sade

Safavis (en)

the Safavid dynasty: one of the most significant ruling dynasties of Iran, often considered the beginning of modern Iranian history (1501–1736)

saltwater economics (en)

refers to a school of heterodox macroeconomics thought in the US in the early 1970s; centered around coastal universities (Ivies, Berkeley, etc) whereas freshwater economics referred to schools around the Great Lakes; primarily a methodological disagreement about the extent to employ the theory of economic decision making; the divide no longer really holds true today

salubrious (en)

(adjective) favorable to or promoting health or well-being

salutary (en)

(adjective) producing a beneficial effect; remedial / (adjective) promoting health; curative

salvo (en)

a sudden, vigorous, or aggressive act or series of acts

samizdat (en)

the clandestine copying and distribution of literature banned by the state, especially formerly in the communist countries of eastern Europe

sampan (en)

(noun) a flat-bottomed skiff used in eastern Asia and usually propelled by two short oars

sansculottes (en)

a lower-class Parisian republican in the French Revolution; an extreme republican or revolutionary

saprogenic (en)

(adj; biology) causing or produced by putrefaction or decay

satori (en)

(noun) sudden enlightenment and a state of consciousness attained by intuitive illumination representing the spiritual goal of Zen Buddhism

satrap (en)

(noun) the governor of a province in ancient Persia / (noun) ruler / (noun) a subordinate official; henchman (world leaders or governors who are heavily influenced by larger world superpowers or hegemonies and act as their surrogates)

saturnine (en)

(adjective) born under or influenced astrologically by the planet Saturn / (adjective) cold and steady in mood; slow to act or change / (adjective) of a gloomy or surly disposition / (adjective) having a sardonic aspect