Synonyms of introductory in English:

introductory


See US English definition of introductory

See UK English definition of introductory

See Spanish definition of preliminar

adjective

1‘the introductory chapter’

SYNONYMS
opening, initial, starting, commencing, initiatory, first, earliest
prefatory, preliminary, precursory, lead-in
rare prefatorial, precursive, prodromal, prodromic, preambular, preambulatory, preludial, prelusive, prelusory, exordial, proemial, prolegomenal
ANTONYMS

final

2‘a one-day introductory course’

SYNONYMS
elementary, basic, rudimentary, fundamental
initiatory, preparatory, primary
rare rudimental
ANTONYMS

advanced