Synonyms and related words :
abecedarian, aboriginal, ancestral, ancient, antenatal, antepatriarchal, atavistic, autochthonous, basal, basic, beginning, budding, central, creative, crucial, early, elemental, elementary, embryonic, erstwhile, fetal, fore, formative, former, foundational, fundamental, generative, genetic, germinal, gestatory, humanoid, immemorial, in embryo, in its infancy, in ovo, in the bud, inaugural, inceptive, inchoate, inchoative, incipient, incunabular, infant, infantile, initial, initiative, initiatory, introductory, inventive, late, nascent, natal, old, olden, once, onetime, original, parturient, past, patriarchal, postnatal, preadamite, preglacial, pregnant, prehistoric, prehuman, prenatal, previous, primal, primary, prime, primitive, primogenial, primoprimitive, primordial, prior, pristine, procreative, protogenic, protohistoric, protohuman, quondam, radical, recent, rudimental, rudimentary, seminal, sometime, then, ur