Af·fil·i·ate v. t. [imp. & p. p. Affiliated p. pr. & vb. n. Affiliating ]
 1. To adopt; to receive into a family as a son; hence, to bring or receive into close connection; to ally.
    Is the soul affiliated to God, or is it estranged and in rebellion?   --I. Taylor.
 2. To fix the paternity of; -- said of an illegitimate child; as, to affiliate the child to (or on or upon) one man rather than another.
 3. To connect in the way of descent; to trace origin to.
    How do these facts tend to affiliate the faculty of hearing upon the aboriginal vegetative processes?   --H. Spencer.
 4. To attach (to) or unite (with); to receive into a society as a member, and initiate into its mysteries, plans, etc.; -- followed by to or with.
 Affiliated societies, societies connected with a central society, or with each other.