[cog.nate] adj [L cognatus, fr. co- + gnatus, natus, pp. of nasci to be born; akin to L gignere to beget--more at kin] (ca. 1645) 1: of the same or similar nature: generically alike
2: related by blood; also: related on the mother's side 3 a: related by descent from the same ancestral language b of a word or morpheme: related by derivation, borrowing, or descent c of a substantive: related to a verb usu. by derivation and serving as its object to reinforce the meaning -- cog.nate.ly adv
[2]cognate n (1754): one that is cognate with another