Stet.—Let it stand.
Suaviter in modo, fortiter in re.—Gentle in manner, resolute in deed.
Sub judice.—Under consideration.
Sub rosâ.—Under the rose; privately.
Sub silentio.—In silence.
Subpœna.—Under a penalty: a summons to attend a court as a witness.
Succedaneum.—A substitute.
Sui generis.—Of its own kind; peculiar.
Summum bonum.—The chief good.
Supersedeas.—A writ to stay proceedings.