1. (a.) Commencing, or in process of development; beginning to exist or to grow; coming into being; as, a nascent germ.

2. (a.) Evolving; being evolved or produced.

abecedarian aboriginal antenatal autochthonous beginning budding creative elemental elementary embryonic fetal formative foundational fundamental gestatory in embryo in its infancy in the bud inaugural inceptive inchoate inchoative incipient incunabular infant infantile initial initiative initiatory introductory inventive natal original parturient postnatal pregnant prenatal primal primary prime primeval primitive primogenial procreative rudimental rudimentary ur