(a.) Preliminary; prefatory; leading into the main subject or business; as, introductory proceedings\; an introductory discourse.

abecedarian aboriginal antenatal autochthonous autodidactic baptismal basic beginning budding coeducational creative cultural didactic disciplinary edifying educating educational educative elemental elementary embryonic enlightening exhortatory fetal first formative foundational fundamental gestatory homiletic hortatory illuminating in embryo in its infancy in the bud inaugural inceptive inchoate inchoative incipient incunabular inductive infant infantile informative initial initiative initiatory instructive introductive inventive lecturing nascent natal opening original parturient postnatal preaching preceptive prefatory pregnant preliminary preludial prelusive prenatal preparative preparatory primal primary prime primeval primitive primogenial procreative proemial propaedeutic rudimental rudimentary self-teaching teaching tuitionary ur