the mind > mental capacity > belief > supposition, surmise > taking for granted, presumption > [adjective]
a1586 Sir P. Sidney (1593) iv. sig. Ll5 Yet remayned there such footesteppes of the foretaken opinion.
1618 S. Latham v. 8 Present cold, and foretaken or former heat.
a1627 J. Hayward (1840) 9 Desiring them..that they would lay aside all foretaken conceits.