se·clude 
(sĭ-kld)
(sĭ-kld)tr.v. se·clud·ed, se·clud·ing, se·cludes
To set or keep apart, as from social contact with others. See Synonyms at isolate.
[Middle English secluden, to shut off, from Latin sēclūdere : sē-, apart; see s(w)e- in the Appendix of Indo-European roots + claudere, to shut.]