Emily Dickinson Lexicon

COG-NA'TION, n. [L. cognatio. See Cognate.]

1. In the civil law, kindred or natural relation between males and females, both descended from the same father; as, agnation is the relation between males only descended from the same stock. – Encyc.
2. Kindred; relation by descent from the same original. Pride and hard-heartedness are of near cognation to ingratitude. – Wotton.
3. Relation; participation of the same nature. – Brown.