S. T. D.—Sacra Theologiæ Doctor, Doctor of Divinity.
Ster. or Stg.—Sterling.
S. T. P.—Sacræ Theologiæ Professor, Professor of Divinity.
Subj.—Subjunctive.
Subst.—Substantive.
Suff—Suffix.
Su.-Goth.—Suio-Gothic.
Su., Sun. or Sund.—Sunday.
Sup.—Supplement; Superfine.
Supt.—Superintendent.