(a.) Quick at contrivance; innovative; as, an inventive head or genius\.

Machiavellian Machiavellic abecedarian aboriginal acute antenatal arch artful astute autochthonous beginning budding cagey canny causative clever conceptive conceptual constructive crafty creative cunning cute deceitful deep deep-laid demiurgic designing diplomatic elemental elementary embryonic esemplastic fecund feline fertile fetal formative foundational foxy fruitful fundamental generative germinal gestatory guileful ideational ideative imaginative in embryo in its infancy in the bud inaugural inceptive inchoate inchoative incipient incunabular infant infantile ingenious initial initiative initiatory innovational innovative insidious inspired introductory knowing nascent natal notional original originative parturient pawky politic postnatal pregnant prenatal primal primary prime primeval primitive primogenial procreative productive prolific ready resourceful rudimental rudimentary scheming seminal serpentine shaping sharp shifty shrewd slick slippery sly smooth snaky sneaky sophistical stealthy strategic subtile subtle supple tactical teeming trickish tricksy tricky ur visioned vulpine wary wily