prefatory

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

serving as an introduction or preface
• Syn:
introductory, prefatorial
• Similar to:
preceding
• Derivationally related forms:
preface (for: prefatorial), introduce (for: introductory)

• Từ đồng nghĩa / Synonyms:
  introductory, prefatorial