SYN: Present, usher in, conduct in, make known, bring in, preface, begin.
ANT: Come after, succeed, follow, end, conclude.
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KEY: Introduction.
SYN: Induction, importation, leading, taking, presentation, insertion, commencement, preliminary, preface, initiative, portico, vestibule, entrance, gate, preamble, prelude.
ANT: Eduction, extraction, exportation, elimination, ejection, encircleation, estrangement, conclusion, completion, end, egress.
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KEY: Introductory.
SYN: Prefatory, initiatory, commendatory, precursory, preliminary, preparatory.
ANT: Completive, final, conclusive, alienative, supplemental, terminal, valedictory.